1268042626 has 16 divisors (see below), whose sum is σ = 1932535584. Its totient is φ = 623924224.

The previous prime is 1268042621. The next prime is 1268042627. The reversal of 1268042626 is 6262408621.

It is not an unprimeable number, because it can be changed into a prime (1268042621) 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, 27801 + ... + 57523.

It is an arithmetic number, because the mean of its divisors is an integer number (120783474).

Almost surely, 2^1268042626 is an apocalyptic number.

1268042626 is a deficient number, since it is larger than the sum of its proper divisors (664492958).

1268042626 is a wasteful number, since it uses less digits than its factorization.

1268042626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30065.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1268042626 is about 35609.5861531695. The cubic root of 1268042626 is about 1082.3754942168.

The spelling of 1268042626 in words is "one billion, two hundred sixty-eight million, forty-two thousand, six hundred twenty-six".