1294606872 has 96 divisors (see below), whose sum is σ = 3897828480. Its totient is φ = 385482240.

The previous prime is 1294606871. The next prime is 1294606877. The reversal of 1294606872 is 2786064921.

It is a happy number.

1294606872 is a `hidden beast` number, since 129 + 460 + 68 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294606871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6708 + ... + 51324.

It is an arithmetic number, because the mean of its divisors is an integer number (40602380).

Almost surely, 2^1294606872 is an apocalyptic number.

1294606872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294606872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948914240).

1294606872 is an abundant number, since it is smaller than the sum of its proper divisors (2603221608).

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

1294606872 is a wasteful number, since it uses less digits than its factorization.

1294606872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44673 (or 44666 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1294606872 is about 35980.6457974284. The cubic root of 1294606872 is about 1089.8815548989.

The spelling of 1294606872 in words is "one billion, two hundred ninety-four million, six hundred six thousand, eight hundred seventy-two".