1142511254 has 8 divisors (see below), whose sum is σ = 1714854240. Its totient is φ = 570893176.

The previous prime is 1142511229. The next prime is 1142511257. The reversal of 1142511254 is 4521152411.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142511257) 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 3 ways as a sum of consecutive naturals, for example, 177269 + ... + 183600.

It is an arithmetic number, because the mean of its divisors is an integer number (214356780).

Almost surely, 2^1142511254 is an apocalyptic number.

1142511254 is a deficient number, since it is larger than the sum of its proper divisors (572342986).

1142511254 is a wasteful number, since it uses less digits than its factorization.

1142511254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362454.

The product of its digits is 1600, while the sum is 26.

The square root of 1142511254 is about 33801.0540368196. The cubic root of 1142511254 is about 1045.4104304176.

Adding to 1142511254 its reverse (4521152411), we get a palindrome (5663663665).

The spelling of 1142511254 in words is "one billion, one hundred forty-two million, five hundred eleven thousand, two hundred fifty-four".