1104156620 has 24 divisors (see below), whose sum is σ = 2649976224. Its totient is φ = 378567936.

The previous prime is 1104156619. The next prime is 1104156659. The reversal of 1104156620 is 266514011.

It is a self number, because there is not a number n which added to its sum of digits gives 1104156620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3943277 + ... + 3943556.

It is an arithmetic number, because the mean of its divisors is an integer number (110415676).

Almost surely, 2^1104156620 is an apocalyptic number.

1104156620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1104156620 is an abundant number, since it is smaller than the sum of its proper divisors (1545819604).

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

1104156620 is a wasteful number, since it uses less digits than its factorization.

1104156620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886849 (or 7886847 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1104156620 is about 33228.8522221277. The cubic root of 1104156620 is about 1033.5787223903.

The spelling of 1104156620 in words is "one billion, one hundred four million, one hundred fifty-six thousand, six hundred twenty".