121522036 has 6 divisors (see below), whose sum is σ = 212663570. Its totient is φ = 60761016.

The previous prime is 121522033. The next prime is 121522039. The reversal of 121522036 is 630225121.

It is an interprime number because it is at equal distance from previous prime (121522033) and next prime (121522039).

It can be written as a sum of positive squares in only one way, i.e., 116769636 + 4752400 = 10806^2 + 2180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121521998 and 121522016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121522033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15190251 + ... + 15190258.

Almost surely, 2^121522036 is an apocalyptic number.

It is an amenable number.

121522036 is a deficient number, since it is larger than the sum of its proper divisors (91141534).

121522036 is a wasteful number, since it uses less digits than its factorization.

121522036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30380513 (or 30380511 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 121522036 is about 11023.7033704649. The cubic root of 121522036 is about 495.3190284332.

Adding to 121522036 its reverse (630225121), we get a palindrome (751747157).

The spelling of 121522036 in words is "one hundred twenty-one million, five hundred twenty-two thousand, thirty-six".