1051946457 has 8 divisors (see below), whose sum is σ = 1476416160. Its totient is φ = 664387200.

The previous prime is 1051946369. The next prime is 1051946477. The reversal of 1051946457 is 7546491501.

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

It is not a de Polignac number, because 1051946457 - 2⁸ = 1051946201 is a prime.

It is a super-2 number, since 2×1051946457² = 2213182696789705698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051946477) 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, 9227544 + ... + 9227657.

It is an arithmetic number, because the mean of its divisors is an integer number (184552020).

Almost surely, 2^1051946457 is an apocalyptic number.

It is an amenable number.

1051946457 is a deficient number, since it is larger than the sum of its proper divisors (424469703).

1051946457 is a wasteful number, since it uses less digits than its factorization.

1051946457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455223.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1051946457 is about 32433.7240692462. The cubic root of 1051946457 is about 1017.0240236656.

The spelling of 1051946457 in words is "one billion, fifty-one million, nine hundred forty-six thousand, four hundred fifty-seven".