1420602144 has 96 divisors (see below), whose sum is σ = 4252227840. Its totient is φ = 411389952.

The previous prime is 1420602143. The next prime is 1420602173. The reversal of 1420602144 is 4412060241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1420602144² = 4036220903074793472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1420602143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12264 + ... + 54695.

It is an arithmetic number, because the mean of its divisors is an integer number (44294040).

Almost surely, 2^1420602144 is an apocalyptic number.

It is an amenable number.

1420602144 is an abundant number, since it is smaller than the sum of its proper divisors (2831625696).

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

1420602144 is a wasteful number, since it uses less digits than its factorization.

1420602144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67002 (or 66994 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1420602144 is about 37690.8761373359. The cubic root of 1420602144 is about 1124.1497164247.

Adding to 1420602144 its reverse (4412060241), we get a palindrome (5832662385).

The spelling of 1420602144 in words is "one billion, four hundred twenty million, six hundred two thousand, one hundred forty-four".