1253241142 has 8 divisors (see below), whose sum is σ = 1884985056. Its totient is φ = 624912792.

The previous prime is 1253241109. The next prime is 1253241169. The reversal of 1253241142 is 2411423521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1253241142² = 3141226720002928328, which contains 22 as substring.

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, 852973 + ... + 854440.

It is an arithmetic number, because the mean of its divisors is an integer number (235623132).

Almost surely, 2^1253241142 is an apocalyptic number.

1253241142 is a deficient number, since it is larger than the sum of its proper divisors (631743914).

1253241142 is a wasteful number, since it uses less digits than its factorization.

1253241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707782.

The product of its digits is 1920, while the sum is 25.

The square root of 1253241142 is about 35401.1460548949. The cubic root of 1253241142 is about 1078.1475853024.

Adding to 1253241142 its reverse (2411423521), we get a palindrome (3664664663).

The spelling of 1253241142 in words is "one billion, two hundred fifty-three million, two hundred forty-one thousand, one hundred forty-two".