1101154142 has 16 divisors (see below), whose sum is σ = 1806084864. Its totient is φ = 499359000.

The previous prime is 1101154133. The next prime is 1101154147. The reversal of 1101154142 is 2414511011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101154147) 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, 48584 + ... + 67547.

It is an arithmetic number, because the mean of its divisors is an integer number (112880304).

Almost surely, 2^1101154142 is an apocalyptic number.

1101154142 is a deficient number, since it is larger than the sum of its proper divisors (704930722).

1101154142 is a wasteful number, since it uses less digits than its factorization.

1101154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116575.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1101154142 is about 33183.6426873241. The cubic root of 1101154142 is about 1032.6410189110.

Adding to 1101154142 its reverse (2414511011), we get a palindrome (3515665153).

The spelling of 1101154142 in words is "one billion, one hundred one million, one hundred fifty-four thousand, one hundred forty-two".