1115054142 has 16 divisors (see below), whose sum is σ = 2236729872. Its totient is φ = 370581120.

The previous prime is 1115054137. The next prime is 1115054153. The reversal of 1115054142 is 2414505111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273709 + ... + 277752.

It is an arithmetic number, because the mean of its divisors is an integer number (139795617).

Almost surely, 2^1115054142 is an apocalyptic number.

1115054142 is an abundant number, since it is smaller than the sum of its proper divisors (1121675730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115054142 is a wasteful number, since it uses less digits than its factorization.

1115054142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551803.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1115054142 is about 33392.4264167790. The cubic root of 1115054142 is about 1036.9679135866.

Adding to 1115054142 its reverse (2414505111), we get a palindrome (3529559253).

The spelling of 1115054142 in words is "one billion, one hundred fifteen million, fifty-four thousand, one hundred forty-two".