1240334142 has 16 divisors (see below), whose sum is σ = 2488497552. Its totient is φ = 412139840.

The previous prime is 1240334131. The next prime is 1240334153. The reversal of 1240334142 is 2414330421.

It is an interprime number because it is at equal distance from previous prime (1240334131) and next prime (1240334153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324159 + ... + 327962.

It is an arithmetic number, because the mean of its divisors is an integer number (155531097).

Almost surely, 2^1240334142 is an apocalyptic number.

1240334142 is an abundant number, since it is smaller than the sum of its proper divisors (1248163410).

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

1240334142 is a wasteful number, since it uses less digits than its factorization.

1240334142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652443.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1240334142 is about 35218.3779013174. The cubic root of 1240334142 is about 1074.4335626281.

Adding to 1240334142 its reverse (2414330421), we get a palindrome (3654664563).

The spelling of 1240334142 in words is "one billion, two hundred forty million, three hundred thirty-four thousand, one hundred forty-two".