1026244042 has 4 divisors (see below), whose sum is σ = 1539366066. Its totient is φ = 513122020.

The previous prime is 1026244039. The next prime is 1026244091. The reversal of 1026244042 is 2404426201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404426201 = 3929 ⋅611969.

It can be written as a sum of positive squares in only one way, i.e., 1025984961 + 259081 = 32031^2 + 509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1026243998 and 1026244016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256561009 + ... + 256561012.

Almost surely, 2^1026244042 is an apocalyptic number.

1026244042 is a deficient number, since it is larger than the sum of its proper divisors (513122024).

1026244042 is an equidigital number, since it uses as much as digits as its factorization.

1026244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513122023.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1026244042 is about 32035.0439675053. The cubic root of 1026244042 is about 1008.6725828740.

The spelling of 1026244042 in words is "one billion, twenty-six million, two hundred forty-four thousand, forty-two".