1301213244 has 24 divisors (see below), whose sum is σ = 3072746880. Its totient is φ = 428511664.

The previous prime is 1301213227. The next prime is 1301213257. The reversal of 1301213244 is 4423121031.

It is a super-2 number, since 2×1301213244² = 3386311812722007072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301213244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652224 + ... + 654215.

It is an arithmetic number, because the mean of its divisors is an integer number (128031120).

Almost surely, 2^1301213244 is an apocalyptic number.

It is an amenable number.

1301213244 is an abundant number, since it is smaller than the sum of its proper divisors (1771533636).

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

1301213244 is a wasteful number, since it uses less digits than its factorization.

1301213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306529 (or 1306527 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1301213244 is about 36072.3334981257. Note that the first 3 decimals coincide. The cubic root of 1301213244 is about 1091.7322969484.

Adding to 1301213244 its reverse (4423121031), we get a palindrome (5724334275).

The spelling of 1301213244 in words is "one billion, three hundred one million, two hundred thirteen thousand, two hundred forty-four".