1047257426 has 16 divisors (see below), whose sum is σ = 1665222624. Its totient is φ = 492254784.

The previous prime is 1047257423. The next prime is 1047257429. The reversal of 1047257426 is 6247527401.

It is an interprime number because it is at equal distance from previous prime (1047257423) and next prime (1047257429).

It is a self number, because there is not a number n which added to its sum of digits gives 1047257426.

It is not an unprimeable number, because it can be changed into a prime (1047257423) 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 7 ways as a sum of consecutive naturals, for example, 12581 + ... + 47463.

It is an arithmetic number, because the mean of its divisors is an integer number (104076414).

Almost surely, 2^1047257426 is an apocalyptic number.

1047257426 is a deficient number, since it is larger than the sum of its proper divisors (617965198).

1047257426 is a wasteful number, since it uses less digits than its factorization.

1047257426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35785.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 1047257426 is about 32361.3569863811. The cubic root of 1047257426 is about 1015.5106511809.

The spelling of 1047257426 in words is "one billion, forty-seven million, two hundred fifty-seven thousand, four hundred twenty-six".