1142854971 has 16 divisors (see below), whose sum is σ = 1632887424. Its totient is φ = 708443264.

The previous prime is 1142854969. The next prime is 1142855003. The reversal of 1142854971 is 1794582411.

It is a cyclic number.

It is not a de Polignac number, because 1142854971 - 2¹ = 1142854969 is a prime.

It is a super-3 number, since 3×1142854971³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1142854901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130761 + ... + 139226.

It is an arithmetic number, because the mean of its divisors is an integer number (102055464).

Almost surely, 2^1142854971 is an apocalyptic number.

1142854971 is a deficient number, since it is larger than the sum of its proper divisors (490032453).

1142854971 is a wasteful number, since it uses less digits than its factorization.

1142854971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270090.

The product of its digits is 80640, while the sum is 42.

The square root of 1142854971 is about 33806.1380669251. The cubic root of 1142854971 is about 1045.5152548582.

The spelling of 1142854971 in words is "one billion, one hundred forty-two million, eight hundred fifty-four thousand, nine hundred seventy-one".