1042235140 has 12 divisors (see below), whose sum is σ = 2188693836. Its totient is φ = 416894048.

The previous prime is 1042235113. The next prime is 1042235141. The reversal of 1042235140 is 415322401.

It can be written as a sum of positive squares in 2 ways, for example, as 167495364 + 874739776 = 12942^2 + 29576^2 .

It is not an unprimeable number, because it can be changed into a prime (1042235141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26055859 + ... + 26055898.

It is an arithmetic number, because the mean of its divisors is an integer number (182391153).

Almost surely, 2^1042235140 is an apocalyptic number.

1042235140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042235140 is an abundant number, since it is smaller than the sum of its proper divisors (1146458696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042235140 is a wasteful number, since it uses less digits than its factorization.

1042235140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52111766 (or 52111764 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1042235140 is about 32283.6667681972. Note that the first 3 decimals coincide. The cubic root of 1042235140 is about 1013.8847027748.

Adding to 1042235140 its reverse (415322401), we get a palindrome (1457557541).

The spelling of 1042235140 in words is "one billion, forty-two million, two hundred thirty-five thousand, one hundred forty".