1020122131 has 16 divisors (see below), whose sum is σ = 1201950400. Its totient is φ = 865347840.

The previous prime is 1020122123. The next prime is 1020122143. The reversal of 1020122131 is 1312210201.

It is not a de Polignac number, because 1020122131 - 2³ = 1020122123 is a prime.

It is a super-2 number, since 2×1020122131² = 2081298324311962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020122161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17941 + ... + 48601.

It is an arithmetic number, because the mean of its divisors is an integer number (75121900).

Almost surely, 2^1020122131 is an apocalyptic number.

1020122131 is a deficient number, since it is larger than the sum of its proper divisors (181828269).

1020122131 is an frugal number, since it uses more digits than its factorization.

1020122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30779 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020122131 is about 31939.3508230834. The cubic root of 1020122131 is about 1006.6628843744.

Adding to 1020122131 its reverse (1312210201), we get a palindrome (2332332332).

The spelling of 1020122131 in words is "one billion, twenty million, one hundred twenty-two thousand, one hundred thirty-one".