61021132 has 18 divisors (see below), whose sum is σ = 107626652. Its totient is φ = 30272424.

The previous prime is 61021127. The next prime is 61021151. The reversal of 61021132 is 23112016.

It is a super-2 number, since 2×61021132² = 7447157101122848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111283 + ... + 111829.

Almost surely, 2^61021132 is an apocalyptic number.

It is an amenable number.

61021132 is a deficient number, since it is larger than the sum of its proper divisors (46605520).

61021132 is a wasteful number, since it uses less digits than its factorization.

61021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61021132 is about 7811.6023964357. The cubic root of 61021132 is about 393.6951699246.

Adding to 61021132 its reverse (23112016), we get a palindrome (84133148).

The spelling of 61021132 in words is "sixty-one million, twenty-one thousand, one hundred thirty-two".