1203021132 has 12 divisors (see below), whose sum is σ = 2807049336. Its totient is φ = 401007040.

The previous prime is 1203021101. The next prime is 1203021179. The reversal of 1203021132 is 2311203021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1203021132² = 2894519688077122848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50125869 + ... + 50125892.

It is an arithmetic number, because the mean of its divisors is an integer number (233920778).

Almost surely, 2^1203021132 is an apocalyptic number.

1203021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1203021132 is an abundant number, since it is smaller than the sum of its proper divisors (1604028204).

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

1203021132 is a wasteful number, since it uses less digits than its factorization.

1203021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100251768 (or 100251766 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1203021132 is about 34684.5950243044. The cubic root of 1203021132 is about 1063.5496084508.

Adding to 1203021132 its reverse (2311203021), we get a palindrome (3514224153).

The spelling of 1203021132 in words is "one billion, two hundred three million, twenty-one thousand, one hundred thirty-two".