121457654 has 8 divisors (see below), whose sum is σ = 182464920. Its totient is φ = 60636016.

The previous prime is 121457653. The next prime is 121457663. The reversal of 121457654 is 456754121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121457653) 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, 44759 + ... + 47394.

It is an arithmetic number, because the mean of its divisors is an integer number (22808115).

Almost surely, 2^121457654 is an apocalyptic number.

121457654 is a deficient number, since it is larger than the sum of its proper divisors (61007266).

121457654 is an equidigital number, since it uses as much as digits as its factorization.

121457654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92814.

The product of its digits is 33600, while the sum is 35.

The square root of 121457654 is about 11020.7828215604. The cubic root of 121457654 is about 495.2315401496.

The spelling of 121457654 in words is "one hundred twenty-one million, four hundred fifty-seven thousand, six hundred fifty-four".