1420427402 has 8 divisors (see below), whose sum is σ = 2149496676. Its totient is φ = 703928512.

The previous prime is 1420427387. The next prime is 1420427443. The reversal of 1420427402 is 2047240241.

It can be written as a sum of positive squares in 2 ways, for example, as 1418350921 + 2076481 = 37661^2 + 1441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1420427402² = 4035228008704939208, which contains 22 as substring.

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, 3142313 + ... + 3142764.

Almost surely, 2^1420427402 is an apocalyptic number.

1420427402 is a deficient number, since it is larger than the sum of its proper divisors (729069274).

1420427402 is a wasteful number, since it uses less digits than its factorization.

1420427402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285192.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1420427402 is about 37688.5579718832. The cubic root of 1420427402 is about 1124.1036223029.

Adding to 1420427402 its reverse (2047240241), we get a palindrome (3467667643).

The spelling of 1420427402 in words is "one billion, four hundred twenty million, four hundred twenty-seven thousand, four hundred two".