1253301042 has 16 divisors (see below), whose sum is σ = 2864688192. Its totient is φ = 358086000.

The previous prime is 1253301041. The next prime is 1253301043. The reversal of 1253301042 is 2401033521.

It is an interprime number because it is at equal distance from previous prime (1253301041) and next prime (1253301043).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1253301041) 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 7 ways as a sum of consecutive naturals, for example, 14920209 + ... + 14920292.

It is an arithmetic number, because the mean of its divisors is an integer number (179043012).

Almost surely, 2^1253301042 is an apocalyptic number.

1253301042 is an abundant number, since it is smaller than the sum of its proper divisors (1611387150).

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

1253301042 is a wasteful number, since it uses less digits than its factorization.

1253301042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29840513.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1253301042 is about 35401.9920625944. The cubic root of 1253301042 is about 1078.1647621008.

Adding to 1253301042 its reverse (2401033521), we get a palindrome (3654334563).

The spelling of 1253301042 in words is "one billion, two hundred fifty-three million, three hundred one thousand, forty-two".