121042502 has 16 divisors (see below), whose sum is σ = 218423040. Its totient is φ = 49144968.

The previous prime is 121042501. The next prime is 121042511. The reversal of 121042502 is 205240121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121042501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227258 + ... + 227789.

It is an arithmetic number, because the mean of its divisors is an integer number (13651440).

Almost surely, 2^121042502 is an apocalyptic number.

121042502 is a deficient number, since it is larger than the sum of its proper divisors (97380538).

121042502 is a wasteful number, since it uses less digits than its factorization.

121042502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455075.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121042502 is about 11001.9317394719. The cubic root of 121042502 is about 494.6666490080. Note that the first 4 decimals are identical.

Adding to 121042502 its reverse (205240121), we get a palindrome (326282623).

The spelling of 121042502 in words is "one hundred twenty-one million, forty-two thousand, five hundred two".