121946356 has 12 divisors (see below), whose sum is σ = 243892768. Its totient is φ = 52262712.

The previous prime is 121946353. The next prime is 121946359. The reversal of 121946356 is 653649121.

It is an interprime number because it is at equal distance from previous prime (121946353) and next prime (121946359).

121946356 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121946353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177586 + ... + 2177641.

Almost surely, 2^121946356 is an apocalyptic number.

It is an amenable number.

121946356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121946356 is a wasteful number, since it uses less digits than its factorization.

121946356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355238 (or 4355236 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 121946356 is about 11042.9324004089. The cubic root of 121946356 is about 495.8948626011.

The spelling of 121946356 in words is "one hundred twenty-one million, nine hundred forty-six thousand, three hundred fifty-six".