1101231542 has 16 divisors (see below), whose sum is σ = 1749829392. Its totient is φ = 517985280.

The previous prime is 1101231539. The next prime is 1101231553. The reversal of 1101231542 is 2451321011.

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, 81917 + ... + 94407.

It is an arithmetic number, because the mean of its divisors is an integer number (109364337).

Almost surely, 2^1101231542 is an apocalyptic number.

1101231542 is a deficient number, since it is larger than the sum of its proper divisors (648597850).

1101231542 is a wasteful number, since it uses less digits than its factorization.

1101231542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15103.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1101231542 is about 33184.8089040754. The cubic root of 1101231542 is about 1032.6652130842.

Adding to 1101231542 its reverse (2451321011), we get a palindrome (3552552553).

The spelling of 1101231542 in words is "one billion, one hundred one million, two hundred thirty-one thousand, five hundred forty-two".