1260749426 has 16 divisors (see below), whose sum is σ = 1939115808. Its totient is φ = 614407200.

The previous prime is 1260749381. The next prime is 1260749459. The reversal of 1260749426 is 6249470621.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85241 + ... + 98931.

It is an arithmetic number, because the mean of its divisors is an integer number (121194738).

Almost surely, 2^1260749426 is an apocalyptic number.

1260749426 is a deficient number, since it is larger than the sum of its proper divisors (678366382).

1260749426 is a wasteful number, since it uses less digits than its factorization.

1260749426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14857.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1260749426 is about 35507.0334722573. The cubic root of 1260749426 is about 1080.2963938449.

The spelling of 1260749426 in words is "one billion, two hundred sixty million, seven hundred forty-nine thousand, four hundred twenty-six".