1421502142 has 8 divisors (see below), whose sum is σ = 2159244000. Its totient is φ = 701754144.

The previous prime is 1421502139. The next prime is 1421502151. The reversal of 1421502142 is 2412051241.

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

It is a congruent number.

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, 4498267 + ... + 4498582.

It is an arithmetic number, because the mean of its divisors is an integer number (269905500).

Almost surely, 2^1421502142 is an apocalyptic number.

1421502142 is a deficient number, since it is larger than the sum of its proper divisors (737741858).

1421502142 is an equidigital number, since it uses as much as digits as its factorization.

1421502142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996930.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1421502142 is about 37702.8134493966. The cubic root of 1421502142 is about 1124.3870615347.

Adding to 1421502142 its reverse (2412051241), we get a palindrome (3833553383).

The spelling of 1421502142 in words is "one billion, four hundred twenty-one million, five hundred two thousand, one hundred forty-two".