1142057103 has 8 divisors (see below), whose sum is σ = 1661174016. Its totient is φ = 692155800.

The previous prime is 1142057087. The next prime is 1142057107. The reversal of 1142057103 is 3017502411.

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

It is not a de Polignac number, because 1142057103 - 2⁴ = 1142057087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142057107) 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, 17303863 + ... + 17303928.

It is an arithmetic number, because the mean of its divisors is an integer number (207646752).

Almost surely, 2^1142057103 is an apocalyptic number.

1142057103 is a deficient number, since it is larger than the sum of its proper divisors (519116913).

1142057103 is a wasteful number, since it uses less digits than its factorization.

1142057103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34607805.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1142057103 is about 33794.3353685200. The cubic root of 1142057103 is about 1045.2718943309.

Adding to 1142057103 its reverse (3017502411), we get a palindrome (4159559514).

The spelling of 1142057103 in words is "one billion, one hundred forty-two million, fifty-seven thousand, one hundred three".