121461790 has 16 divisors (see below), whose sum is σ = 218758320. Its totient is φ = 48556480.

The previous prime is 121461763. The next prime is 121461793. The reversal of 121461790 is 97164121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121461793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27645 + ... + 31735.

It is an arithmetic number, because the mean of its divisors is an integer number (13672395).

Almost surely, 2^121461790 is an apocalyptic number.

121461790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121461790 is a deficient number, since it is larger than the sum of its proper divisors (97296530).

121461790 is a wasteful number, since it uses less digits than its factorization.

121461790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 121461790 is about 11020.9704654354. The cubic root of 121461790 is about 495.2371614624.

The spelling of 121461790 in words is "one hundred twenty-one million, four hundred sixty-one thousand, seven hundred ninety".