1026220142 has 8 divisors (see below), whose sum is σ = 1542095496. Its totient is φ = 512188312.

The previous prime is 1026220093. The next prime is 1026220157. The reversal of 1026220142 is 2410226201.

It is a happy number.

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, 459488 + ... + 461715.

It is an arithmetic number, because the mean of its divisors is an integer number (192761937).

Almost surely, 2^1026220142 is an apocalyptic number.

1026220142 is a deficient number, since it is larger than the sum of its proper divisors (515875354).

1026220142 is an equidigital number, since it uses as much as digits as its factorization.

1026220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921762.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1026220142 is about 32034.6709363465. The cubic root of 1026220142 is about 1008.6647525526.

Adding to 1026220142 its reverse (2410226201), we get a palindrome (3436446343).

The spelling of 1026220142 in words is "one billion, twenty-six million, two hundred twenty thousand, one hundred forty-two".