1011105142 has 16 divisors (see below), whose sum is σ = 1573082352. Its totient is φ = 487015200.

The previous prime is 1011105127. The next prime is 1011105143. The reversal of 1011105142 is 2415011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011105143) 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, 60168 + ... + 75115.

It is an arithmetic number, because the mean of its divisors is an integer number (98317647).

Almost surely, 2^1011105142 is an apocalyptic number.

1011105142 is a deficient number, since it is larger than the sum of its proper divisors (561977210).

1011105142 is a wasteful number, since it uses less digits than its factorization.

1011105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135423.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1011105142 is about 31797.8795204963. The cubic root of 1011105142 is about 1003.6880952317.

Adding to 1011105142 its reverse (2415011101), we get a palindrome (3426116243).

The spelling of 1011105142 in words is "one billion, eleven million, one hundred five thousand, one hundred forty-two".