121264545 has 16 divisors (see below), whose sum is σ = 195189120. Its totient is φ = 64285824.

The previous prime is 121264513. The next prime is 121264657. The reversal of 121264545 is 545462121.

It is not a de Polignac number, because 121264545 - 2⁵ = 121264513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21700 + ... + 26709.

It is an arithmetic number, because the mean of its divisors is an integer number (12199320).

Almost surely, 2^121264545 is an apocalyptic number.

121264545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121264545 is a deficient number, since it is larger than the sum of its proper divisors (73924575).

121264545 is a wasteful number, since it uses less digits than its factorization.

121264545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48584.

The product of its digits is 9600, while the sum is 30.

The square root of 121264545 is about 11012.0182073950. The cubic root of 121264545 is about 494.9689399958.

The spelling of 121264545 in words is "one hundred twenty-one million, two hundred sixty-four thousand, five hundred forty-five".