121596572 has 6 divisors (see below), whose sum is σ = 212794008. Its totient is φ = 60798284.

The previous prime is 121596571. The next prime is 121596583. The reversal of 121596572 is 275695121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121596571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15199568 + ... + 15199575.

It is an arithmetic number, because the mean of its divisors is an integer number (35465668).

Almost surely, 2^121596572 is an apocalyptic number.

It is an amenable number.

121596572 is a deficient number, since it is larger than the sum of its proper divisors (91197436).

121596572 is a wasteful number, since it uses less digits than its factorization.

121596572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30399147 (or 30399145 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 121596572 is about 11027.0835672901. The cubic root of 121596572 is about 495.4202763350.

The spelling of 121596572 in words is "one hundred twenty-one million, five hundred ninety-six thousand, five hundred seventy-two".