1259040797 has 16 divisors (see below), whose sum is σ = 1457702400. Its totient is φ = 1065156480.

The previous prime is 1259040787. The next prime is 1259040803. The reversal of 1259040797 is 7970409521.

It is a cyclic number.

It is not a de Polignac number, because 1259040797 - 2¹⁴ = 1259024413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259040737) 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, 203729 + ... + 209817.

It is an arithmetic number, because the mean of its divisors is an integer number (91106400).

Almost surely, 2^1259040797 is an apocalyptic number.

It is an amenable number.

1259040797 is a deficient number, since it is larger than the sum of its proper divisors (198661603).

1259040797 is a wasteful number, since it uses less digits than its factorization.

1259040797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1259040797 is about 35482.9648845752. The cubic root of 1259040797 is about 1079.8081497925.

The spelling of 1259040797 in words is "one billion, two hundred fifty-nine million, forty thousand, seven hundred ninety-seven".