121456746 has 24 divisors (see below), whose sum is σ = 272903904. Its totient is φ = 40485420.

The previous prime is 121456739. The next prime is 121456763. The reversal of 121456746 is 647654121.

It is a super-3 number, since 3×121456746³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121456746.

It is a congruent number.

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, 124470 + ... + 125441.

It is an arithmetic number, because the mean of its divisors is an integer number (11370996).

Almost surely, 2^121456746 is an apocalyptic number.

121456746 is an abundant number, since it is smaller than the sum of its proper divisors (151447158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121456746 is an equidigital number, since it uses as much as digits as its factorization.

121456746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249928 (or 249916 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 121456746 is about 11020.7416265876. The cubic root of 121456746 is about 495.2303060532.

The spelling of 121456746 in words is "one hundred twenty-one million, four hundred fifty-six thousand, seven hundred forty-six".