1042123144 has 16 divisors (see below), whose sum is σ = 1955437020. Its totient is φ = 520673280.

The previous prime is 1042123133. The next prime is 1042123157. The reversal of 1042123144 is 4413212401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1015187044 + 26936100 = 31862^2 + 5190^2 .

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, 36969 + ... + 58744.

Almost surely, 2^1042123144 is an apocalyptic number.

It is an amenable number.

1042123144 is a deficient number, since it is larger than the sum of its proper divisors (913313876).

1042123144 is a wasteful number, since it uses less digits than its factorization.

1042123144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97080 (or 97076 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1042123144 is about 32281.9321602657. The cubic root of 1042123144 is about 1013.8483849631.

Adding to 1042123144 its reverse (4413212401), we get a palindrome (5455335545).

The spelling of 1042123144 in words is "one billion, forty-two million, one hundred twenty-three thousand, one hundred forty-four".