1241123142 has 32 divisors (see below), whose sum is σ = 2879200512. Its totient is φ = 349313184.

The previous prime is 1241123137. The next prime is 1241123167. The reversal of 1241123142 is 2413211421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217713 + ... + 223340.

It is an arithmetic number, because the mean of its divisors is an integer number (89975016).

Almost surely, 2^1241123142 is an apocalyptic number.

1241123142 is an abundant number, since it is smaller than the sum of its proper divisors (1638077370).

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

1241123142 is a wasteful number, since it uses less digits than its factorization.

1241123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441132.

The product of its digits is 384, while the sum is 21.

The square root of 1241123142 is about 35229.5776585528. The cubic root of 1241123142 is about 1074.6613368393.

Adding to 1241123142 its reverse (2413211421), we get a palindrome (3654334563).

It can be divided in two parts, 12411 and 23142, that added together give a palindrome (35553).

The spelling of 1241123142 in words is "one billion, two hundred forty-one million, one hundred twenty-three thousand, one hundred forty-two".