121535492 has 12 divisors (see below), whose sum is σ = 229047756. Its totient is φ = 56093280.

The previous prime is 121535483. The next prime is 121535497. The reversal of 121535492 is 294535121.

It can be written as a sum of positive squares in 2 ways, for example, as 65674816 + 55860676 = 8104^2 + 7474^2 .

It is not an unprimeable number, because it can be changed into a prime (121535497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168559 + ... + 1168662.

It is an arithmetic number, because the mean of its divisors is an integer number (19087313).

Almost surely, 2^121535492 is an apocalyptic number.

It is an amenable number.

121535492 is a deficient number, since it is larger than the sum of its proper divisors (107512264).

121535492 is a wasteful number, since it uses less digits than its factorization.

121535492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337238 (or 2337236 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 121535492 is about 11024.3136747827. The cubic root of 121535492 is about 495.3373098003.

The spelling of 121535492 in words is "one hundred twenty-one million, five hundred thirty-five thousand, four hundred ninety-two".