1210389132 has 12 divisors (see below), whose sum is σ = 2824241336. Its totient is φ = 403463040.

The previous prime is 1210389127. The next prime is 1210389157. The reversal of 1210389132 is 2319830121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1210389132.

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, 50432869 + ... + 50432892.

Almost surely, 2^1210389132 is an apocalyptic number.

1210389132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210389132 is an abundant number, since it is smaller than the sum of its proper divisors (1613852204).

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

1210389132 is a wasteful number, since it uses less digits than its factorization.

1210389132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100865768 (or 100865766 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1210389132 is about 34790.6471914508. The cubic root of 1210389132 is about 1065.7164559089.

The spelling of 1210389132 in words is "one billion, two hundred ten million, three hundred eighty-nine thousand, one hundred thirty-two".