1244052542 has 8 divisors (see below), whose sum is σ = 1866840816. Its totient is φ = 621772272.

The previous prime is 1244052539. The next prime is 1244052581. The reversal of 1244052542 is 2452504421.

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

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, 120818 + ... + 130709.

It is an arithmetic number, because the mean of its divisors is an integer number (233355102).

Almost surely, 2^1244052542 is an apocalyptic number.

1244052542 is a deficient number, since it is larger than the sum of its proper divisors (622788274).

1244052542 is a wasteful number, since it uses less digits than its factorization.

1244052542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254002.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1244052542 is about 35271.1290151024. The cubic root of 1244052542 is about 1075.5061735966.

Adding to 1244052542 its reverse (2452504421), we get a palindrome (3696556963).

The spelling of 1244052542 in words is "one billion, two hundred forty-four million, fifty-two thousand, five hundred forty-two".