121279426 has 16 divisors (see below), whose sum is σ = 185073408. Its totient is φ = 59594400.

The previous prime is 121279381. The next prime is 121279441. The reversal of 121279426 is 624972121.

It is a junction number, because it is equal to n+sod(n) for n = 121279391 and 121279400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44071 + ... + 46741.

It is an arithmetic number, because the mean of its divisors is an integer number (11567088).

Almost surely, 2^121279426 is an apocalyptic number.

121279426 is a deficient number, since it is larger than the sum of its proper divisors (63793982).

121279426 is a wasteful number, since it uses less digits than its factorization.

121279426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057.

The product of its digits is 12096, while the sum is 34.

The square root of 121279426 is about 11012.6938575446. The cubic root of 121279426 is about 494.9891859012.

The spelling of 121279426 in words is "one hundred twenty-one million, two hundred seventy-nine thousand, four hundred twenty-six".