1300142122 has 4 divisors (see below), whose sum is σ = 1950213186. Its totient is φ = 650071060.

The previous prime is 1300142111. The next prime is 1300142143. The reversal of 1300142122 is 2212410031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1246866721 + 53275401 = 35311^2 + 7299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1300142096 and 1300142105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325035529 + ... + 325035532.

Almost surely, 2^1300142122 is an apocalyptic number.

1300142122 is a deficient number, since it is larger than the sum of its proper divisors (650071064).

1300142122 is an equidigital number, since it uses as much as digits as its factorization.

1300142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650071063.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1300142122 is about 36057.4835783087. The cubic root of 1300142122 is about 1091.4326536476.

Adding to 1300142122 its reverse (2212410031), we get a palindrome (3512552153).

The spelling of 1300142122 in words is "one billion, three hundred million, one hundred forty-two thousand, one hundred twenty-two".