1011402459 has 6 divisors (see below), whose sum is σ = 1460914676. Its totient is φ = 674268300.

The previous prime is 1011402421. The next prime is 1011402467. The reversal of 1011402459 is 9542041101.

It is not a de Polignac number, because 1011402459 - 2¹² = 1011398363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011402409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56189017 + ... + 56189034.

Almost surely, 2^1011402459 is an apocalyptic number.

1011402459 is a deficient number, since it is larger than the sum of its proper divisors (449512217).

1011402459 is a wasteful number, since it uses less digits than its factorization.

1011402459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112378057 (or 112378054 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1011402459 is about 31802.5542842081. The cubic root of 1011402459 is about 1003.7864642592.

The spelling of 1011402459 in words is "one billion, eleven million, four hundred two thousand, four hundred fifty-nine".