1420603263 has 12 divisors (see below), whose sum is σ = 2052376560. Its totient is φ = 946886976.

The previous prime is 1420603243. The next prime is 1420603273. The reversal of 1420603263 is 3623060241.

1420603263 is a `hidden beast` number, since 14 + 20 + 603 + 26 + 3 = 666.

It is not a de Polignac number, because 1420603263 - 2⁵ = 1420603231 is a prime.

It is a super-2 number, since 2×1420603263² = 4036227261692494338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420603243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48295 + ... + 71927.

It is an arithmetic number, because the mean of its divisors is an integer number (171031380).

Almost surely, 2^1420603263 is an apocalyptic number.

1420603263 is a deficient number, since it is larger than the sum of its proper divisors (631773297).

1420603263 is a wasteful number, since it uses less digits than its factorization.

1420603263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30318 (or 30315 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1420603263 is about 37690.8909817744. The cubic root of 1420603263 is about 1124.1500115867.

The spelling of 1420603263 in words is "one billion, four hundred twenty million, six hundred three thousand, two hundred sixty-three".