1142293251 has 32 divisors (see below), whose sum is σ = 1727582976. Its totient is φ = 665280000.

The previous prime is 1142293213. The next prime is 1142293253. The reversal of 1142293251 is 1523922411.

It is not a de Polignac number, because 1142293251 - 2¹⁰ = 1142292227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142293253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84351 + ... + 96951.

It is an arithmetic number, because the mean of its divisors is an integer number (53986968).

Almost surely, 2^1142293251 is an apocalyptic number.

1142293251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142293251 is a deficient number, since it is larger than the sum of its proper divisors (585289725).

1142293251 is a wasteful number, since it uses less digits than its factorization.

1142293251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723.

The product of its digits is 4320, while the sum is 30.

The square root of 1142293251 is about 33797.8290870878. The cubic root of 1142293251 is about 1045.3439344695.

The spelling of 1142293251 in words is "one billion, one hundred forty-two million, two hundred ninety-three thousand, two hundred fifty-one".