1142262726 has 16 divisors (see below), whose sum is σ = 2492209728. Its totient is φ = 346140200.

The previous prime is 1142262721. The next prime is 1142262743. The reversal of 1142262726 is 6272622411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142262721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653440 + ... + 8653571.

It is an arithmetic number, because the mean of its divisors is an integer number (155763108).

Almost surely, 2^1142262726 is an apocalyptic number.

1142262726 is an abundant number, since it is smaller than the sum of its proper divisors (1349947002).

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

1142262726 is a wasteful number, since it uses less digits than its factorization.

1142262726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17307027.

The product of its digits is 16128, while the sum is 33.

The square root of 1142262726 is about 33797.3775018122. The cubic root of 1142262726 is about 1045.3346229646.

The spelling of 1142262726 in words is "one billion, one hundred forty-two million, two hundred sixty-two thousand, seven hundred twenty-six".