1240131254 has 16 divisors (see below), whose sum is σ = 2021268480. Its totient is φ = 568480680.

The previous prime is 1240131247. The next prime is 1240131301. The reversal of 1240131254 is 4521310421.

It is a super-2 number, since 2×1240131254² = 3075851054295225032, 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 7 ways as a sum of consecutive naturals, for example, 525194 + ... + 527549.

It is an arithmetic number, because the mean of its divisors is an integer number (126329280).

Almost surely, 2^1240131254 is an apocalyptic number.

1240131254 is a deficient number, since it is larger than the sum of its proper divisors (781137226).

1240131254 is a wasteful number, since it uses less digits than its factorization.

1240131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052795.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1240131254 is about 35215.4973555678. The cubic root of 1240131254 is about 1074.3749758446.

Adding to 1240131254 its reverse (4521310421), we get a palindrome (5761441675).

The spelling of 1240131254 in words is "one billion, two hundred forty million, one hundred thirty-one thousand, two hundred fifty-four".