1013556201 has 32 divisors (see below), whose sum is σ = 1652232960. Its totient is φ = 539467776.

The previous prime is 1013556127. The next prime is 1013556209. The reversal of 1013556201 is 1026553101.

It is not a de Polignac number, because 1013556201 - 2⁷ = 1013556073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013556209) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 19995 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (51632280).

Almost surely, 2^1013556201 is an apocalyptic number.

It is an amenable number.

1013556201 is a deficient number, since it is larger than the sum of its proper divisors (638676759).

1013556201 is a wasteful number, since it uses less digits than its factorization.

1013556201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29393.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1013556201 is about 31836.3974249600. The cubic root of 1013556201 is about 1004.4984671163.

The spelling of 1013556201 in words is "one billion, thirteen million, five hundred fifty-six thousand, two hundred one".