1420413243 has 16 divisors (see below), whose sum is σ = 1991316000. Its totient is φ = 899297280.

The previous prime is 1420413233. The next prime is 1420413251. The reversal of 1420413243 is 3423140241.

It is not a de Polignac number, because 1420413243 - 2²² = 1416218939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420413233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128518 + ... + 139131.

It is an arithmetic number, because the mean of its divisors is an integer number (124457250).

Almost surely, 2^1420413243 is an apocalyptic number.

1420413243 is a deficient number, since it is larger than the sum of its proper divisors (570902757).

1420413243 is a wasteful number, since it uses less digits than its factorization.

1420413243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267742.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1420413243 is about 37688.3701292587. The cubic root of 1420413243 is about 1124.0998872215.

Adding to 1420413243 its reverse (3423140241), we get a palindrome (4843553484).

The spelling of 1420413243 in words is "one billion, four hundred twenty million, four hundred thirteen thousand, two hundred forty-three".