1420264 has 8 divisors (see below), whose sum is σ = 2663010. Its totient is φ = 710128.

The previous prime is 1420261. The next prime is 1420277. The reversal of 1420264 is 4620241.

It can be written as a sum of positive squares in only one way, i.e., 887364 + 532900 = 942^2 + 730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1420261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88759 + ... + 88774.

2^1420264 is an apocalyptic number.

It is an amenable number.

1420264 is a deficient number, since it is larger than the sum of its proper divisors (1242746).

1420264 is a wasteful number, since it uses less digits than its factorization.

1420264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177539 (or 177535 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1420264 is about 1191.7482955725. The cubic root of 1420264 is about 112.4060516070.

The spelling of 1420264 in words is "one million, four hundred twenty thousand, two hundred sixty-four".