1420370452 has 12 divisors (see below), whose sum is σ = 2491313440. Its totient is φ = 708566616.

The previous prime is 1420370449. The next prime is 1420370461. The reversal of 1420370452 is 2540730241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420370452.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 402678 + ... + 406189.

Almost surely, 2^1420370452 is an apocalyptic number.

It is an amenable number.

1420370452 is a deficient number, since it is larger than the sum of its proper divisors (1070942988).

1420370452 is a wasteful number, since it uses less digits than its factorization.

1420370452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809310 (or 809308 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1420370452 is about 37687.8024299640. The cubic root of 1420370452 is about 1124.0885989945.

The spelling of 1420370452 in words is "one billion, four hundred twenty million, three hundred seventy thousand, four hundred fifty-two".