121392026 has 24 divisors (see below), whose sum is σ = 219638880. Its totient is φ = 49284936.

The previous prime is 121391993. The next prime is 121392031. The reversal of 121392026 is 620293121.

It is a junction number, because it is equal to n+sod(n) for n = 121391986 and 121392004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6956 + ... + 17063.

It is an arithmetic number, because the mean of its divisors is an integer number (9151620).

Almost surely, 2^121392026 is an apocalyptic number.

121392026 is a deficient number, since it is larger than the sum of its proper divisors (98246854).

121392026 is a wasteful number, since it uses less digits than its factorization.

121392026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066 (or 24047 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 121392026 is about 11017.8049538009. The cubic root of 121392026 is about 495.1423268586.

It can be divided in two parts, 1213 and 92026, that added together give a palindrome (93239).

The spelling of 121392026 in words is "one hundred twenty-one million, three hundred ninety-two thousand, twenty-six".