121032644 has 6 divisors (see below), whose sum is σ = 211807134. Its totient is φ = 60516320.

The previous prime is 121032629. The next prime is 121032671. The reversal of 121032644 is 446230121.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 59598400 = 7838^2 + 7720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15129077 + ... + 15129084.

It is an arithmetic number, because the mean of its divisors is an integer number (35301189).

Almost surely, 2^121032644 is an apocalyptic number.

It is an amenable number.

121032644 is a deficient number, since it is larger than the sum of its proper divisors (90774490).

121032644 is a wasteful number, since it uses less digits than its factorization.

121032644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258165 (or 30258163 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 121032644 is about 11001.4837181173. The cubic root of 121032644 is about 494.6532196860.

Adding to 121032644 its reverse (446230121), we get a palindrome (567262765).

The spelling of 121032644 in words is "one hundred twenty-one million, thirty-two thousand, six hundred forty-four".