121354442 has 16 divisors (see below), whose sum is σ = 198785664. Its totient is φ = 55104000.

The previous prime is 121354439. The next prime is 121354451. The reversal of 121354442 is 244453121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24842 + ... + 29322.

It is an arithmetic number, because the mean of its divisors is an integer number (12424104).

Almost surely, 2^121354442 is an apocalyptic number.

121354442 is a deficient number, since it is larger than the sum of its proper divisors (77431222).

121354442 is a wasteful number, since it uses less digits than its factorization.

121354442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725.

The product of its digits is 3840, while the sum is 26.

The square root of 121354442 is about 11016.0992188705. The cubic root of 121354442 is about 495.0912214972.

It can be divided in two parts, 1213 and 54442, that added together give a palindrome (55655).

The spelling of 121354442 in words is "one hundred twenty-one million, three hundred fifty-four thousand, four hundred forty-two".