121045502 has 4 divisors (see below), whose sum is σ = 181568256. Its totient is φ = 60522750.

The previous prime is 121045501. The next prime is 121045511. The reversal of 121045502 is 205540121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121045501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30261374 + ... + 30261377.

It is an arithmetic number, because the mean of its divisors is an integer number (45392064).

Almost surely, 2^121045502 is an apocalyptic number.

121045502 is a deficient number, since it is larger than the sum of its proper divisors (60522754).

121045502 is an equidigital number, since it uses as much as digits as its factorization.

121045502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60522753.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 121045502 is about 11002.0680783205. The cubic root of 121045502 is about 494.6707356929.

Adding to 121045502 its reverse (205540121), we get a palindrome (326585623).

The spelling of 121045502 in words is "one hundred twenty-one million, forty-five thousand, five hundred two".