1101020142 has 8 divisors (see below), whose sum is σ = 2202040296. Its totient is φ = 367006712.

The previous prime is 1101020111. The next prime is 1101020159. The reversal of 1101020142 is 2410201011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1101020142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91751673 + ... + 91751684.

It is an arithmetic number, because the mean of its divisors is an integer number (275255037).

Almost surely, 2^1101020142 is an apocalyptic number.

1101020142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1101020142 is a wasteful number, since it uses less digits than its factorization.

1101020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183503362.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101020142 is about 33181.6235588315. The cubic root of 1101020142 is about 1032.5991296772.

Adding to 1101020142 its reverse (2410201011), we get a palindrome (3511221153).

The spelling of 1101020142 in words is "one billion, one hundred one million, twenty thousand, one hundred forty-two".