1420117872 has 20 divisors (see below), whose sum is σ = 3668637960. Its totient is φ = 473372608.

The previous prime is 1420117859. The next prime is 1420117879. The reversal of 1420117872 is 2787110241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420117879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14792847 + ... + 14792942.

It is an arithmetic number, because the mean of its divisors is an integer number (183431898).

Almost surely, 2^1420117872 is an apocalyptic number.

1420117872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420117872 is an abundant number, since it is smaller than the sum of its proper divisors (2248520088).

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

1420117872 is a wasteful number, since it uses less digits than its factorization.

1420117872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29585800 (or 29585794 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1420117872 is about 37684.4513294276. The cubic root of 1420117872 is about 1124.0219640005.

The spelling of 1420117872 in words is "one billion, four hundred twenty million, one hundred seventeen thousand, eight hundred seventy-two".