121479358954 has 16 divisors (see below), whose sum is σ = 186689824776. Its totient is φ = 59249836800.

The previous prime is 121479358951. The next prime is 121479358991. The reversal of 121479358954 is 459853974121.

It can be written as a sum of positive squares in 4 ways, for example, as 15481580625 + 105997778329 = 124425^2 + 325573^2 .

It is not an unprimeable number, because it can be changed into a prime (121479358951) 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, 499144 + ... + 701500.

Almost surely, 2^121479358954 is an apocalyptic number.

121479358954 is a deficient number, since it is larger than the sum of its proper divisors (65210465822).

121479358954 is a wasteful number, since it uses less digits than its factorization.

121479358954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209721.

The product of its digits is 10886400, while the sum is 58.

The spelling of 121479358954 in words is "one hundred twenty-one billion, four hundred seventy-nine million, three hundred fifty-eight thousand, nine hundred fifty-four".