121054361 has 4 divisors (see below), whose sum is σ = 122759424. Its totient is φ = 119349300.

The previous prime is 121054337. The next prime is 121054363. The reversal of 121054361 is 163450121.

121054361 = T₁₈₁₁ + T₁₈₁₂ + ... + T₁₈₈₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121054361 - 2²⁶ = 53945497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121054363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852425 + ... + 852566.

It is an arithmetic number, because the mean of its divisors is an integer number (30689856).

Almost surely, 2^121054361 is an apocalyptic number.

It is an amenable number.

121054361 is a deficient number, since it is larger than the sum of its proper divisors (1705063).

121054361 is an equidigital number, since it uses as much as digits as its factorization.

121054361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705062.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 121054361 is about 11002.4706770798. The cubic root of 121054361 is about 494.6828032792.

The spelling of 121054361 in words is "one hundred twenty-one million, fifty-four thousand, three hundred sixty-one".