1047137520 has 240 divisors, whose sum is σ = 3836218752. Its totient is φ = 234224640.

The previous prime is 1047137513. The next prime is 1047137527. The reversal of 1047137520 is 257317401.

1047137520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1047137513) and next prime (1047137527).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047137527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444987 + ... + 447333.

Almost surely, 2^1047137520 is an apocalyptic number.

1047137520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047137520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918109376).

1047137520 is an abundant number, since it is smaller than the sum of its proper divisors (2789081232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047137520 is a wasteful number, since it uses less digits than its factorization.

1047137520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1047137520 is about 32359.5043225325. The cubic root of 1047137520 is about 1015.4718926533.

The spelling of 1047137520 in words is "one billion, forty-seven million, one hundred thirty-seven thousand, five hundred twenty".