1420267884 has 48 divisors (see below), whose sum is σ = 3789773568. Its totient is φ = 405534528.

The previous prime is 1420267859. The next prime is 1420267909. The reversal of 1420267884 is 4887620241.

It is an interprime number because it is at equal distance from previous prime (1420267859) and next prime (1420267909).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157999 + ... + 166745.

It is an arithmetic number, because the mean of its divisors is an integer number (78953616).

Almost surely, 2^1420267884 is an apocalyptic number.

1420267884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420267884 is an abundant number, since it is smaller than the sum of its proper divisors (2369505684).

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

1420267884 is a wasteful number, since it uses less digits than its factorization.

1420267884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694 (or 10692 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 1420267884 is about 37686.4416468310. The cubic root of 1420267884 is about 1124.0615407261.

The spelling of 1420267884 in words is "one billion, four hundred twenty million, two hundred sixty-seven thousand, eight hundred eighty-four".