1499120428 has 24 divisors (see below), whose sum is σ = 2841613488. Its totient is φ = 687898176.

The previous prime is 1499120411. The next prime is 1499120431. The reversal of 1499120428 is 8240219941.

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, 74326 + ... + 92317.

It is an arithmetic number, because the mean of its divisors is an integer number (118400562).

Almost surely, 2^1499120428 is an apocalyptic number.

It is an amenable number.

1499120428 is a deficient number, since it is larger than the sum of its proper divisors (1342493060).

1499120428 is a wasteful number, since it uses less digits than its factorization.

1499120428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166833 (or 166831 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1499120428 is about 38718.4765712702. The cubic root of 1499120428 is about 1144.4904524509.

The spelling of 1499120428 in words is "one billion, four hundred ninety-nine million, one hundred twenty thousand, four hundred twenty-eight".