1047078144 has 576 divisors, whose sum is σ = 4002969600. Its totient is φ = 262766592.

The previous prime is 1047078119. The next prime is 1047078167. The reversal of 1047078144 is 4418707401.

It is a tau number, because it is divible by the number of its divisors (576).

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 = 1047078099 and 1047078108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15627999 + ... + 15628065.

It is an arithmetic number, because the mean of its divisors is an integer number (6949600).

Almost surely, 2^1047078144 is an apocalyptic number.

1047078144 is a gapful number since it is divisible by the number (14) 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 1047078144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001484800).

1047078144 is an abundant number, since it is smaller than the sum of its proper divisors (2955891456).

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

1047078144 is a wasteful number, since it uses less digits than its factorization.

1047078144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 1047078144 is about 32358.5868665490. The cubic root of 1047078144 is about 1015.4526988041.

The spelling of 1047078144 in words is "one billion, forty-seven million, seventy-eight thousand, one hundred forty-four".