1013125201 has 24 divisors (see below), whose sum is σ = 1178259264. Its totient is φ = 863727840.

The previous prime is 1013125147. The next prime is 1013125261. The reversal of 1013125201 is 1025213101.

It is not a de Polignac number, because 1013125201 - 2⁷ = 1013125073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013125261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407775 + ... + 410251.

It is an arithmetic number, because the mean of its divisors is an integer number (49094136).

Almost surely, 2^1013125201 is an apocalyptic number.

1013125201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013125201 is a deficient number, since it is larger than the sum of its proper divisors (165134063).

1013125201 is a wasteful number, since it uses less digits than its factorization.

1013125201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1013125201 is about 31829.6277232392. The cubic root of 1013125201 is about 1004.3560641526.

Adding to 1013125201 its reverse (1025213101), we get a palindrome (2038338302).

The spelling of 1013125201 in words is "one billion, thirteen million, one hundred twenty-five thousand, two hundred one".