1242034144 has 72 divisors (see below), whose sum is σ = 2797636968. Its totient is φ = 539473920.

The previous prime is 1242034133. The next prime is 1242034159. The reversal of 1242034144 is 4414302421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115059 + ... + 125389.

It is an arithmetic number, because the mean of its divisors is an integer number (38856069).

Almost surely, 2^1242034144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242034144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398818484).

1242034144 is an abundant number, since it is smaller than the sum of its proper divisors (1555602824).

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

1242034144 is a wasteful number, since it uses less digits than its factorization.

1242034144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1242034144 is about 35242.5047917993. The cubic root of 1242034144 is about 1074.9242114228.

Adding to 1242034144 its reverse (4414302421), we get a palindrome (5656336565).

It can be divided in two parts, 12420 and 34144, that added together give a palindrome (46564).

The spelling of 1242034144 in words is "one billion, two hundred forty-two million, thirty-four thousand, one hundred forty-four".