121365146 has 16 divisors (see below), whose sum is σ = 208327680. Its totient is φ = 51945360.

The previous prime is 121365133. The next prime is 121365151. The reversal of 121365146 is 641563121.

It is a happy number.

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, 6215 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (13020480).

Almost surely, 2^121365146 is an apocalyptic number.

121365146 is a deficient number, since it is larger than the sum of its proper divisors (86962534).

121365146 is a wasteful number, since it uses less digits than its factorization.

121365146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389.

The product of its digits is 4320, while the sum is 29.

The square root of 121365146 is about 11016.5850425620. The cubic root of 121365146 is about 495.1057774830.

The spelling of 121365146 in words is "one hundred twenty-one million, three hundred sixty-five thousand, one hundred forty-six".