121477253 has 8 divisors (see below), whose sum is σ = 125166072. Its totient is φ = 117809856.

The previous prime is 121477211. The next prime is 121477261. The reversal of 121477253 is 352774121.

It can be written as a sum of positive squares in 4 ways, for example, as 14002564 + 107474689 = 3742^2 + 10367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121477253 - 2⁸ = 121476997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121477453) 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, 6551 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (15645759).

Almost surely, 2^121477253 is an apocalyptic number.

It is an amenable number.

121477253 is a deficient number, since it is larger than the sum of its proper divisors (3688819).

121477253 is a wasteful number, since it uses less digits than its factorization.

121477253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711.

The product of its digits is 11760, while the sum is 32.

The square root of 121477253 is about 11021.6719693520. The cubic root of 121477253 is about 495.2581763766.

The spelling of 121477253 in words is "one hundred twenty-one million, four hundred seventy-seven thousand, two hundred fifty-three".