1499120513 has 4 divisors (see below), whose sum is σ = 1635404208. Its totient is φ = 1362836820.

The previous prime is 1499120479. The next prime is 1499120533. The reversal of 1499120513 is 3150219941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3150219941 = 11 ⋅286383631.

It is a cyclic number.

It is not a de Polignac number, because 1499120513 - 2²⁴ = 1482343297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1499120533) 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, 68141831 + ... + 68141852.

It is an arithmetic number, because the mean of its divisors is an integer number (408851052).

Almost surely, 2^1499120513 is an apocalyptic number.

It is an amenable number.

1499120513 is a deficient number, since it is larger than the sum of its proper divisors (136283695).

1499120513 is a wasteful number, since it uses less digits than its factorization.

1499120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136283694.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1499120513 is about 38718.4776689373. The cubic root of 1499120513 is about 1144.4904740817.

The spelling of 1499120513 in words is "one billion, four hundred ninety-nine million, one hundred twenty thousand, five hundred thirteen".