1051469879 has 4 divisors (see below), whose sum is σ = 1054041120. Its totient is φ = 1048898640.

The previous prime is 1051469869. The next prime is 1051469897. The reversal of 1051469879 is 9789641501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051469879 - 2⁸ = 1051469623 is a prime.

It is a super-2 number, since 2×1051469879² = 2211177812888549282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051469869) 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, 1285007 + ... + 1285824.

It is an arithmetic number, because the mean of its divisors is an integer number (263510280).

Almost surely, 2^1051469879 is an apocalyptic number.

1051469879 is a deficient number, since it is larger than the sum of its proper divisors (2571241).

1051469879 is an equidigital number, since it uses as much as digits as its factorization.

1051469879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571240.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1051469879 is about 32426.3762853637. The cubic root of 1051469879 is about 1016.8704149320.

The spelling of 1051469879 in words is "one billion, fifty-one million, four hundred sixty-nine thousand, eight hundred seventy-nine".