121542052 has 12 divisors (see below), whose sum is σ = 212921856. Its totient is φ = 60707240.

The previous prime is 121542023. The next prime is 121542059. The reversal of 121542052 is 250245121.

It is not an unprimeable number, because it can be changed into a prime (121542059) 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, 11524 + ... + 19387.

It is an arithmetic number, because the mean of its divisors is an integer number (17743488).

Almost surely, 2^121542052 is an apocalyptic number.

It is an amenable number.

121542052 is a deficient number, since it is larger than the sum of its proper divisors (91379804).

121542052 is a wasteful number, since it uses less digits than its factorization.

121542052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31898 (or 31896 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 121542052 is about 11024.6111949583. The cubic root of 121542052 is about 495.3462217492.

Adding to 121542052 its reverse (250245121), we get a palindrome (371787173).

The spelling of 121542052 in words is "one hundred twenty-one million, five hundred forty-two thousand, fifty-two".