1202131000 has 64 divisors (see below), whose sum is σ = 3214860480. Its totient is φ = 412156800.

The previous prime is 1202130973. The next prime is 1202131009. The reversal of 1202131000 is 1312021.

It is a super-2 number, since 2×1202131000² = 2890237882322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202131009) by changing a digit.

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, 78867 + ... + 92866.

It is an arithmetic number, because the mean of its divisors is an integer number (50232195).

Almost surely, 2^1202131000 is an apocalyptic number.

1202131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202131000 is an abundant number, since it is smaller than the sum of its proper divisors (2012729480).

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

1202131000 is a wasteful number, since it uses less digits than its factorization.

1202131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171761 (or 171747 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1202131000 is about 34671.7608436607. The cubic root of 1202131000 is about 1063.2872320322.

Adding to 1202131000 its reverse (1312021), we get a palindrome (1203443021).

The spelling of 1202131000 in words is "one billion, two hundred two million, one hundred thirty-one thousand".