1022410042 has 4 divisors (see below), whose sum is σ = 1533615066. Its totient is φ = 511205020.

The previous prime is 1022410031. The next prime is 1022410049. The reversal of 1022410042 is 2400142201.

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., 989794521 + 32615521 = 31461^2 + 5711^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022409998 and 1022410025.

It is not an unprimeable number, because it can be changed into a prime (1022410049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255602509 + ... + 255602512.

Almost surely, 2^1022410042 is an apocalyptic number.

1022410042 is a deficient number, since it is larger than the sum of its proper divisors (511205024).

1022410042 is an equidigital number, since it uses as much as digits as its factorization.

1022410042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511205023.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1022410042 is about 31975.1472553294. The cubic root of 1022410042 is about 1007.4148974044.

Adding to 1022410042 its reverse (2400142201), we get a palindrome (3422552243).

The spelling of 1022410042 in words is "one billion, twenty-two million, four hundred ten thousand, forty-two".