1040111542 has 4 divisors (see below), whose sum is σ = 1560167316. Its totient is φ = 520055770.

The previous prime is 1040111537. The next prime is 1040111557. The reversal of 1040111542 is 2451110401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260027884 + ... + 260027887.

It is an arithmetic number, because the mean of its divisors is an integer number (390041829).

Almost surely, 2^1040111542 is an apocalyptic number.

1040111542 is a deficient number, since it is larger than the sum of its proper divisors (520055774).

1040111542 is an equidigital number, since it uses as much as digits as its factorization.

1040111542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520055773.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1040111542 is about 32250.7603321224. The cubic root of 1040111542 is about 1013.1956236235.

Adding to 1040111542 its reverse (2451110401), we get a palindrome (3491221943).

The spelling of 1040111542 in words is "one billion, forty million, one hundred eleven thousand, five hundred forty-two".