1011500142 has 16 divisors (see below), whose sum is σ = 2028834432. Its totient is φ = 336194360.

The previous prime is 1011500123. The next prime is 1011500143. The reversal of 1011500142 is 2410051101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011500143) 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, 240834 + ... + 244997.

It is an arithmetic number, because the mean of its divisors is an integer number (126802152).

Almost surely, 2^1011500142 is an apocalyptic number.

1011500142 is an abundant number, since it is smaller than the sum of its proper divisors (1017334290).

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

1011500142 is a wasteful number, since it uses less digits than its factorization.

1011500142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486183.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011500142 is about 31804.0900199959. The cubic root of 1011500142 is about 1003.8187790302.

Adding to 1011500142 its reverse (2410051101), we get a palindrome (3421551243).

The spelling of 1011500142 in words is "one billion, eleven million, five hundred thousand, one hundred forty-two".