1268253741 has 16 divisors (see below), whose sum is σ = 1821450240. Its totient is φ = 782651760.

The previous prime is 1268253733. The next prime is 1268253761. The reversal of 1268253741 is 1473528621.

It is not a de Polignac number, because 1268253741 - 2³ = 1268253733 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1268253741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268253731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294321 + ... + 298598.

It is an arithmetic number, because the mean of its divisors is an integer number (113840640).

Almost surely, 2^1268253741 is an apocalyptic number.

It is an amenable number.

1268253741 is a deficient number, since it is larger than the sum of its proper divisors (553196499).

1268253741 is a wasteful number, since it uses less digits than its factorization.

1268253741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592976.

The product of its digits is 80640, while the sum is 39.

The square root of 1268253741 is about 35612.5503299048. The cubic root of 1268253741 is about 1082.4355587124.

The spelling of 1268253741 in words is "one billion, two hundred sixty-eight million, two hundred fifty-three thousand, seven hundred forty-one".