1259442072 has 48 divisors (see below), whose sum is σ = 3898274640. Its totient is φ = 359840448.

The previous prime is 1259442071. The next prime is 1259442077. The reversal of 1259442072 is 2702449521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259442071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248943 + ... + 1249950.

It is an arithmetic number, because the mean of its divisors is an integer number (81214055).

Almost surely, 2^1259442072 is an apocalyptic number.

1259442072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1259442072 is an abundant number, since it is smaller than the sum of its proper divisors (2638832568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259442072 is a wasteful number, since it uses less digits than its factorization.

1259442072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498912 (or 2498905 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1259442072 is about 35488.6189080387. The cubic root of 1259442072 is about 1079.9228545719.

The spelling of 1259442072 in words is "one billion, two hundred fifty-nine million, four hundred forty-two thousand, seventy-two".