121154713 has 6 divisors (see below), whose sum is σ = 124183502. Its totient is φ = 118198080.

The previous prime is 121154711. The next prime is 121154753. The reversal of 121154713 is 317451121.

It can be written as a sum of positive squares in 3 ways, for example, as 1646089 + 119508624 = 1283^2 + 10932^2 .

It is not a de Polignac number, because 121154713 - 2¹ = 121154711 is a prime.

It is a super-2 number, since 2×121154713² = 29356928964224738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121154711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34356 + ... + 37717.

Almost surely, 2^121154713 is an apocalyptic number.

It is an amenable number.

121154713 is a deficient number, since it is larger than the sum of its proper divisors (3028789).

121154713 is an frugal number, since it uses more digits than its factorization.

121154713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72155 (or 72114 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 121154713 is about 11007.0301625825. The cubic root of 121154713 is about 494.8194600589.

The spelling of 121154713 in words is "one hundred twenty-one million, one hundred fifty-four thousand, seven hundred thirteen".