1253142350 has 48 divisors (see below), whose sum is σ = 2456494560. Its totient is φ = 474672000.

The previous prime is 1253142347. The next prime is 1253142389. The reversal of 1253142350 is 532413521.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 110756 + ... + 121544.

It is an arithmetic number, because the mean of its divisors is an integer number (51176970).

Almost surely, 2^1253142350 is an apocalyptic number.

1253142350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253142350 is a deficient number, since it is larger than the sum of its proper divisors (1203352210).

1253142350 is a wasteful number, since it uses less digits than its factorization.

1253142350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925 (or 10920 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1253142350 is about 35399.7507053369. The cubic root of 1253142350 is about 1078.1192547198.

Adding to 1253142350 its reverse (532413521), we get a palindrome (1785555871).

The spelling of 1253142350 in words is "one billion, two hundred fifty-three million, one hundred forty-two thousand, three hundred fifty".