1420526530 has 16 divisors (see below), whose sum is σ = 2563206840. Its totient is φ = 566819712.

The previous prime is 1420526521. The next prime is 1420526537. The reversal of 1420526530 is 356250241.

It can be written as a sum of positive squares in 4 ways, for example, as 1377374769 + 43151761 = 37113^2 + 6569^2 .

It is not an unprimeable number, because it can be changed into a prime (1420526537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169569 + ... + 177748.

Almost surely, 2^1420526530 is an apocalyptic number.

1420526530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420526530 is a deficient number, since it is larger than the sum of its proper divisors (1142680310).

1420526530 is a wasteful number, since it uses less digits than its factorization.

1420526530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347733.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1420526530 is about 37689.8730430337. The cubic root of 1420526530 is about 1124.1297711348.

Adding to 1420526530 its reverse (356250241), we get a palindrome (1776776771).

The spelling of 1420526530 in words is "one billion, four hundred twenty million, five hundred twenty-six thousand, five hundred thirty".