1011505142 has 16 divisors (see below), whose sum is σ = 1551467520. Its totient is φ = 494376168.

The previous prime is 1011505069. The next prime is 1011505153. The reversal of 1011505142 is 2415051101.

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, 74483 + ... + 87009.

It is an arithmetic number, because the mean of its divisors is an integer number (96966720).

Almost surely, 2^1011505142 is an apocalyptic number.

1011505142 is a deficient number, since it is larger than the sum of its proper divisors (539962378).

1011505142 is a wasteful number, since it uses less digits than its factorization.

1011505142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1011505142 is about 31804.1686261408. The cubic root of 1011505142 is about 1003.8204330374.

Adding to 1011505142 its reverse (2415051101), we get a palindrome (3426556243).

The spelling of 1011505142 in words is "one billion, eleven million, five hundred five thousand, one hundred forty-two".