654377121 has 12 divisors (see below), whose sum is σ = 946422672. Its totient is φ = 435692376.

The previous prime is 654377093. The next prime is 654377131. The reversal of 654377121 is 121773456.

It is a happy number.

It is not a de Polignac number, because 654377121 - 2⁵ = 654377089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654377131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39111 + ... + 53276.

It is an arithmetic number, because the mean of its divisors is an integer number (78868556).

Almost surely, 2^654377121 is an apocalyptic number.

It is an amenable number.

654377121 is a deficient number, since it is larger than the sum of its proper divisors (292045551).

654377121 is a wasteful number, since it uses less digits than its factorization.

654377121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93180 (or 93177 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 654377121 is about 25580.7959414870. The cubic root of 654377121 is about 868.1791843581.

The spelling of 654377121 in words is "six hundred fifty-four million, three hundred seventy-seven thousand, one hundred twenty-one".