1244013141 has 8 divisors (see below), whose sum is σ = 1895639104. Its totient is φ = 710864640.

The previous prime is 1244013139. The next prime is 1244013143. The reversal of 1244013141 is 1413104421.

It is an interprime number because it is at equal distance from previous prime (1244013139) and next prime (1244013143).

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

It is not a de Polignac number, because 1244013141 - 2¹ = 1244013139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 59238721 = 1244013141 / (1 + 2 + 4 + 4 + 0 + 1 + 3 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244013143) 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, 29619340 + ... + 29619381.

It is an arithmetic number, because the mean of its divisors is an integer number (236954888).

Almost surely, 2^1244013141 is an apocalyptic number.

It is an amenable number.

1244013141 is a deficient number, since it is larger than the sum of its proper divisors (651625963).

1244013141 is an equidigital number, since it uses as much as digits as its factorization.

1244013141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59238731.

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

The square root of 1244013141 is about 35270.5704660415. The cubic root of 1244013141 is about 1075.4948191817.

Adding to 1244013141 its reverse (1413104421), we get a palindrome (2657117562).

The spelling of 1244013141 in words is "one billion, two hundred forty-four million, thirteen thousand, one hundred forty-one".