121263132 has 12 divisors (see below), whose sum is σ = 282947336. Its totient is φ = 40421040.

The previous prime is 121263089. The next prime is 121263133. The reversal of 121263132 is 231362121.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121263099 and 121263108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121263133) 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 3 ways as a sum of consecutive naturals, for example, 5052619 + ... + 5052642.

Almost surely, 2^121263132 is an apocalyptic number.

121263132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121263132 is an abundant number, since it is smaller than the sum of its proper divisors (161684204).

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

121263132 is a wasteful number, since it uses less digits than its factorization.

121263132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105268 (or 10105266 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 121263132 is about 11011.9540500313. The cubic root of 121263132 is about 494.9670174942.

The spelling of 121263132 in words is "one hundred twenty-one million, two hundred sixty-three thousand, one hundred thirty-two".