1258079271 has 16 divisors (see below), whose sum is σ = 1784544768. Its totient is φ = 785635200.

The previous prime is 1258079269. The next prime is 1258079279. The reversal of 1258079271 is 1729708521.

It is not a de Polignac number, because 1258079271 - 2¹ = 1258079269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258079279) 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, 47695 + ... + 69216.

It is an arithmetic number, because the mean of its divisors is an integer number (111534048).

Almost surely, 2^1258079271 is an apocalyptic number.

1258079271 is a deficient number, since it is larger than the sum of its proper divisors (526465497).

1258079271 is a wasteful number, since it uses less digits than its factorization.

1258079271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117142.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1258079271 is about 35469.4131752980. The cubic root of 1258079271 is about 1079.5331976141.

The spelling of 1258079271 in words is "one billion, two hundred fifty-eight million, seventy-nine thousand, two hundred seventy-one".