1215056058 has 32 divisors (see below), whose sum is σ = 2500543872. Its totient is φ = 393432000.

The previous prime is 1215056021. The next prime is 1215056069. The reversal of 1215056058 is 8506505121.

It is a super-2 number, since 2×1215056058² = 2952722448164998728, which contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 13203 + ... + 51033.

It is an arithmetic number, because the mean of its divisors is an integer number (78141996).

Almost surely, 2^1215056058 is an apocalyptic number.

1215056058 is an abundant number, since it is smaller than the sum of its proper divisors (1285487814).

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

1215056058 is a wasteful number, since it uses less digits than its factorization.

1215056058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37990.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 1215056058 is about 34857.6542240008. The cubic root of 1215056058 is about 1067.0844019856.

The spelling of 1215056058 in words is "one billion, two hundred fifteen million, fifty-six thousand, fifty-eight".