1258113469 has 8 divisors (see below), whose sum is σ = 1271592792. Its totient is φ = 1244654400.

The previous prime is 1258113449. The next prime is 1258113487. The reversal of 1258113469 is 9643118521.

It can be written as a sum of positive squares in 4 ways, for example, as 783440100 + 474673369 = 27990^2 + 21787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1258113469 - 2¹⁵ = 1258080701 is a prime.

It is a super-2 number, since 2×1258113469² = 3165699001758427922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258113449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142467 + ... + 151039.

It is an arithmetic number, because the mean of its divisors is an integer number (158949099).

Almost surely, 2^1258113469 is an apocalyptic number.

It is an amenable number.

1258113469 is a deficient number, since it is larger than the sum of its proper divisors (13479323).

1258113469 is a wasteful number, since it uses less digits than its factorization.

1258113469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127.

The product of its digits is 51840, while the sum is 40.

The square root of 1258113469 is about 35469.8952493519. The cubic root of 1258113469 is about 1079.5429790703.

The spelling of 1258113469 in words is "one billion, two hundred fifty-eight million, one hundred thirteen thousand, four hundred sixty-nine".