1012440111 has 16 divisors (see below), whose sum is σ = 1366648416. Its totient is φ = 666638336.

The previous prime is 1012440097. The next prime is 1012440127. The reversal of 1012440111 is 1110442101.

It is a cyclic number.

It is not a de Polignac number, because 1012440111 - 2¹³ = 1012431919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012442111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94231 + ... + 104423.

It is an arithmetic number, because the mean of its divisors is an integer number (85415526).

Almost surely, 2^1012440111 is an apocalyptic number.

1012440111 is a deficient number, since it is larger than the sum of its proper divisors (354208305).

1012440111 is a wasteful number, since it uses less digits than its factorization.

1012440111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1012440111 is about 31818.8640746335. The cubic root of 1012440111 is about 1004.1296263774.

Adding to 1012440111 its reverse (1110442101), we get a palindrome (2122882212).

The spelling of 1012440111 in words is "one billion, twelve million, four hundred forty thousand, one hundred eleven".