121064755 has 32 divisors (see below), whose sum is σ = 176256000. Its totient is φ = 78029952.

The previous prime is 121064747. The next prime is 121064767. The reversal of 121064755 is 557460121.

It is not a de Polignac number, because 121064755 - 2³ = 121064747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46221 + ... + 48769.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^121064755 is an apocalyptic number.

121064755 is a deficient number, since it is larger than the sum of its proper divisors (55191245).

121064755 is a wasteful number, since it uses less digits than its factorization.

121064755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 121064755 is about 11002.9430153937. The cubic root of 121064755 is about 494.6969610671.

It can be divided in two parts, 12106 and 4755, that added together give a palindrome (16861).

The spelling of 121064755 in words is "one hundred twenty-one million, sixty-four thousand, seven hundred fifty-five".