121201532 has 24 divisors (see below), whose sum is σ = 228023040. Its totient is φ = 56188080.

The previous prime is 121201523. The next prime is 121201541. The reversal of 121201532 is 235102121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121201523) and next prime (121201541).

It is a super-2 number, since 2×121201532² = 29379622718294048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121201532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13394 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (9500960).

Almost surely, 2^121201532 is an apocalyptic number.

It is an amenable number.

121201532 is a deficient number, since it is larger than the sum of its proper divisors (106821508).

121201532 is a wasteful number, since it uses less digits than its factorization.

121201532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34001 (or 33999 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121201532 is about 11009.1567342826. The cubic root of 121201532 is about 494.8831911571.

Adding to 121201532 its reverse (235102121), we get a palindrome (356303653).

The spelling of 121201532 in words is "one hundred twenty-one million, two hundred one thousand, five hundred thirty-two".