1142474471 has 8 divisors (see below), whose sum is σ = 1171458288. Its totient is φ = 1113544000.

The previous prime is 1142474467. The next prime is 1142474491. The reversal of 1142474471 is 1744742411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142474471 - 2² = 1142474467 is a prime.

It is a super-3 number, since 3×1142474471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142474461) 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, 31961 + ... + 57501.

It is an arithmetic number, because the mean of its divisors is an integer number (146432286).

Almost surely, 2^1142474471 is an apocalyptic number.

1142474471 is a deficient number, since it is larger than the sum of its proper divisors (28983817).

1142474471 is a wasteful number, since it uses less digits than its factorization.

1142474471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26673.

The product of its digits is 25088, while the sum is 35.

The square root of 1142474471 is about 33800.5099221890. The cubic root of 1142474471 is about 1045.3992113466.

The spelling of 1142474471 in words is "one billion, one hundred forty-two million, four hundred seventy-four thousand, four hundred seventy-one".