1202142252 has 48 divisors (see below), whose sum is σ = 2858535680. Its totient is φ = 393139008.

The previous prime is 1202142223. The next prime is 1202142317. The reversal of 1202142252 is 2522412021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130263 + ... + 139185.

Almost surely, 2^1202142252 is an apocalyptic number.

1202142252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202142252 is an abundant number, since it is smaller than the sum of its proper divisors (1656393428).

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

1202142252 is a wasteful number, since it uses less digits than its factorization.

1202142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142 (or 9140 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1202142252 is about 34671.9231078981. The cubic root of 1202142252 is about 1063.2905494939.

Adding to 1202142252 its reverse (2522412021), we get a palindrome (3724554273).

The spelling of 1202142252 in words is "one billion, two hundred two million, one hundred forty-two thousand, two hundred fifty-two".