1207078740 has 336 divisors, whose sum is σ = 4611835200. Its totient is φ = 261382464.

The previous prime is 1207078729. The next prime is 1207078751. The reversal of 1207078740 is 478707021.

It is an interprime number because it is at equal distance from previous prime (1207078729) and next prime (1207078751).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1207078695 and 1207078704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 63530451 + ... + 63530469.

It is an arithmetic number, because the mean of its divisors is an integer number (13725700).

Almost surely, 2^1207078740 is an apocalyptic number.

1207078740 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 1207078740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305917600).

1207078740 is an abundant number, since it is smaller than the sum of its proper divisors (3404756460).

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

1207078740 is an frugal number, since it uses more digits than its factorization.

1207078740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 1207078740 is about 34743.0387272040. The cubic root of 1207078740 is about 1064.7439971859.

The spelling of 1207078740 in words is "one billion, two hundred seven million, seventy-eight thousand, seven hundred forty".