1420243364 has 12 divisors (see below), whose sum is σ = 2492803404. Its totient is φ = 708013824.

The previous prime is 1420243351. The next prime is 1420243417. The reversal of 1420243364 is 4633420241.

It can be written as a sum of positive squares in 2 ways, for example, as 240870400 + 1179372964 = 15520^2 + 34342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525449 + ... + 528144.

It is an arithmetic number, because the mean of its divisors is an integer number (207733617).

Almost surely, 2^1420243364 is an apocalyptic number.

It is an amenable number.

1420243364 is a deficient number, since it is larger than the sum of its proper divisors (1072560040).

1420243364 is a wasteful number, since it uses less digits than its factorization.

1420243364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053934 (or 1053932 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 1420243364 is about 37686.1163294920. The cubic root of 1420243364 is about 1124.0550719587.

The spelling of 1420243364 in words is "one billion, four hundred twenty million, two hundred forty-three thousand, three hundred sixty-four".