1142757506 has 16 divisors (see below), whose sum is σ = 1920507840. Its totient is φ = 505396080.

The previous prime is 1142757491. The next prime is 1142757509. The reversal of 1142757506 is 6057572411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142757506.

It is not an unprimeable number, because it can be changed into a prime (1142757509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701126 + ... + 702753.

It is an arithmetic number, because the mean of its divisors is an integer number (120031740).

Almost surely, 2^1142757506 is an apocalyptic number.

1142757506 is a deficient number, since it is larger than the sum of its proper divisors (777750334).

1142757506 is a wasteful number, since it uses less digits than its factorization.

1142757506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403929.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1142757506 is about 33804.6965080298. The cubic root of 1142757506 is about 1045.4855327897.

The spelling of 1142757506 in words is "one billion, one hundred forty-two million, seven hundred fifty-seven thousand, five hundred six".