1499798971 has 8 divisors (see below), whose sum is σ = 1637759088. Its totient is φ = 1362108000.

The previous prime is 1499798933. The next prime is 1499798977. The reversal of 1499798971 is 1798979941.

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

It is not a de Polignac number, because 1499798971 - 2¹⁷ = 1499667899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1499798977) 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, 55540 + ... + 78001.

It is an arithmetic number, because the mean of its divisors is an integer number (204719886).

Almost surely, 2^1499798971 is an apocalyptic number.

1499798971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1499798971 is a deficient number, since it is larger than the sum of its proper divisors (137960117).

1499798971 is a wasteful number, since it uses less digits than its factorization.

1499798971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134573.

The product of its digits is 10287648, while the sum is 64.

The square root of 1499798971 is about 38727.2381018838. The cubic root of 1499798971 is about 1144.6631023221.

The spelling of 1499798971 in words is "one billion, four hundred ninety-nine million, seven hundred ninety-eight thousand, nine hundred seventy-one".