1101512442 has 16 divisors (see below), whose sum is σ = 2212647840. Its totient is φ = 365566992.

The previous prime is 1101512411. The next prime is 1101512453. The reversal of 1101512442 is 2442151011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399468 + ... + 402215.

It is an arithmetic number, because the mean of its divisors is an integer number (138290490).

Almost surely, 2^1101512442 is an apocalyptic number.

1101512442 is an abundant number, since it is smaller than the sum of its proper divisors (1111135398).

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

1101512442 is a wasteful number, since it uses less digits than its factorization.

1101512442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801917.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1101512442 is about 33189.0409924722. The cubic root of 1101512442 is about 1032.7530090311.

Adding to 1101512442 its reverse (2442151011), we get a palindrome (3543663453).

The spelling of 1101512442 in words is "one billion, one hundred one million, five hundred twelve thousand, four hundred forty-two".