1253763842 has 16 divisors (see below), whose sum is σ = 1888475040. Its totient is φ = 624278592.

The previous prime is 1253763827. The next prime is 1253763851. The reversal of 1253763842 is 2483673521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253763842.

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, 587834 + ... + 589962.

It is an arithmetic number, because the mean of its divisors is an integer number (118029690).

Almost surely, 2^1253763842 is an apocalyptic number.

1253763842 is a deficient number, since it is larger than the sum of its proper divisors (634711198).

1253763842 is a wasteful number, since it uses less digits than its factorization.

1253763842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its digits is 241920, while the sum is 41.

The square root of 1253763842 is about 35408.5278146381. The cubic root of 1253763842 is about 1078.2974552128.

The spelling of 1253763842 in words is "one billion, two hundred fifty-three million, seven hundred sixty-three thousand, eight hundred forty-two".