121040252502 has 32 divisors (see below), whose sum is σ = 272036959488. Its totient is φ = 35623886496.

The previous prime is 121040252453. The next prime is 121040252503. The reversal of 121040252502 is 205252040121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121040252503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33732948 + ... + 33736535.

It is an arithmetic number, because the mean of its divisors is an integer number (8501154984).

Almost surely, 2^121040252502 is an apocalyptic number.

121040252502 is an abundant number, since it is smaller than the sum of its proper divisors (150996706986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121040252502 is a wasteful number, since it uses less digits than its factorization.

121040252502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67469524.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 121040252502 its reverse (205252040121), we get a palindrome (326292292623).

The spelling of 121040252502 in words is "one hundred twenty-one billion, forty million, two hundred fifty-two thousand, five hundred two".