1047796155 has 120 divisors (see below), whose sum is σ = 2245552848. Its totient is φ = 465720192.

The previous prime is 1047796151. The next prime is 1047796213. The reversal of 1047796155 is 5516977401.

It is not a de Polignac number, because 1047796155 - 2² = 1047796151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1047796155.

It is not an unprimeable number, because it can be changed into a prime (1047796151) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 733552 + ... + 734978.

Almost surely, 2^1047796155 is an apocalyptic number.

1047796155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1047796155 is an abundant number, since it is smaller than the sum of its proper divisors (1197756693).

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

1047796155 is a wasteful number, since it uses less digits than its factorization.

1047796155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 1047796155 is about 32369.6795628255. The cubic root of 1047796155 is about 1015.6847539502.

The spelling of 1047796155 in words is "one billion, forty-seven million, seven hundred ninety-six thousand, one hundred fifty-five".