121423146 has 32 divisors (see below), whose sum is σ = 276913728. Its totient is φ = 35162880.

The previous prime is 121423111. The next prime is 121423151. The reversal of 121423146 is 641324121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44460 + ... + 47111.

It is an arithmetic number, because the mean of its divisors is an integer number (8653554).

Almost surely, 2^121423146 is an apocalyptic number.

121423146 is an abundant number, since it is smaller than the sum of its proper divisors (155490582).

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

121423146 is a wasteful number, since it uses less digits than its factorization.

121423146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91606.

The product of its digits is 1152, while the sum is 24.

The square root of 121423146 is about 11019.2171228268. The cubic root of 121423146 is about 495.1846347245.

Adding to 121423146 its reverse (641324121), we get a palindrome (762747267).

The spelling of 121423146 in words is "one hundred twenty-one million, four hundred twenty-three thousand, one hundred forty-six".