1380871124 has 6 divisors (see below), whose sum is σ = 2416524474. Its totient is φ = 690435560.

The previous prime is 1380871111. The next prime is 1380871157. The reversal of 1380871124 is 4211780831.

It can be written as a sum of positive squares in only one way, i.e., 844948624 + 535922500 = 29068^2 + 23150^2 .

It is a super-2 number, since 2×1380871124² = 3813610122194046752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172608887 + ... + 172608894.

It is an arithmetic number, because the mean of its divisors is an integer number (402754079).

Almost surely, 2^1380871124 is an apocalyptic number.

It is an amenable number.

1380871124 is a deficient number, since it is larger than the sum of its proper divisors (1035653350).

1380871124 is a wasteful number, since it uses less digits than its factorization.

1380871124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345217785 (or 345217783 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1380871124 is about 37160.0743271593. The cubic root of 1380871124 is about 1113.5704964855.

The spelling of 1380871124 in words is "one billion, three hundred eighty million, eight hundred seventy-one thousand, one hundred twenty-four".