1420602456 has 128 divisors (see below), whose sum is σ = 4390848000. Its totient is φ = 372971520.

The previous prime is 1420602451. The next prime is 1420602473. The reversal of 1420602456 is 6542060241.

It is a super-2 number, since 2×1420602456² = 4036222675986463872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420602451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524995 + ... + 527693.

It is an arithmetic number, because the mean of its divisors is an integer number (34303500).

Almost surely, 2^1420602456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420602456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424000).

1420602456 is an abundant number, since it is smaller than the sum of its proper divisors (2970245544).

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

1420602456 is a wasteful number, since it uses less digits than its factorization.

1420602456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1420602456 is about 37690.8802762684. The cubic root of 1420602456 is about 1124.1497987219.

Adding to 1420602456 its reverse (6542060241), we get a palindrome (7962662697).

The spelling of 1420602456 in words is "one billion, four hundred twenty million, six hundred two thousand, four hundred fifty-six".