1047268851 has 16 divisors (see below), whose sum is σ = 1461922560. Its totient is φ = 665977760.

The previous prime is 1047268841. The next prime is 1047268861. The reversal of 1047268851 is 1588627401.

It is an interprime number because it is at equal distance from previous prime (1047268841) and next prime (1047268861).

It is a cyclic number.

It is not a de Polignac number, because 1047268851 - 2⁵ = 1047268819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1047268841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65295 + ... + 79736.

It is an arithmetic number, because the mean of its divisors is an integer number (91370160).

Almost surely, 2^1047268851 is an apocalyptic number.

1047268851 is a deficient number, since it is larger than the sum of its proper divisors (414653709).

1047268851 is a wasteful number, since it uses less digits than its factorization.

1047268851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145146.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1047268851 is about 32361.5335081637. The cubic root of 1047268851 is about 1015.5143440542.

The spelling of 1047268851 in words is "one billion, forty-seven million, two hundred sixty-eight thousand, eight hundred fifty-one".