121471051 has 16 divisors (see below), whose sum is σ = 136917760. Its totient is φ = 106997760.

The previous prime is 121471013. The next prime is 121471079. The reversal of 121471051 is 150174121.

It is a cyclic number.

It is not a de Polignac number, because 121471051 - 2⁹ = 121470539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121472051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27355 + ... + 31483.

It is an arithmetic number, because the mean of its divisors is an integer number (8557360).

Almost surely, 2^121471051 is an apocalyptic number.

121471051 is a deficient number, since it is larger than the sum of its proper divisors (15446709).

121471051 is a wasteful number, since it uses less digits than its factorization.

121471051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 121471051 is about 11021.3906109892. The cubic root of 121471051 is about 495.2497477932.

The spelling of 121471051 in words is "one hundred twenty-one million, four hundred seventy-one thousand, fifty-one".