1051139746 has 8 divisors (see below), whose sum is σ = 1577055744. Its totient is φ = 525454500.

The previous prime is 1051139743. The next prime is 1051139753. The reversal of 1051139746 is 6479311501.

It is a happy number.

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

It is a super-2 number, since 2×1051139746² = 2209789531241889032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051139743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45810 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (197131968).

Almost surely, 2^1051139746 is an apocalyptic number.

1051139746 is a deficient number, since it is larger than the sum of its proper divisors (525915998).

1051139746 is a wasteful number, since it uses less digits than its factorization.

1051139746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115376.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1051139746 is about 32421.2853847592. The cubic root of 1051139746 is about 1016.7639805563.

The spelling of 1051139746 in words is "one billion, fifty-one million, one hundred thirty-nine thousand, seven hundred forty-six".