1380124361 has 32 divisors (see below), whose sum is σ = 1803921408. Its totient is φ = 1023834240.

The previous prime is 1380124351. The next prime is 1380124393. The reversal of 1380124361 is 1634210831.

It is not a de Polignac number, because 1380124361 - 2²⁶ = 1313015497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1380124301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400301 + ... + 403733.

It is an arithmetic number, because the mean of its divisors is an integer number (56372544).

Almost surely, 2^1380124361 is an apocalyptic number.

1380124361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1380124361 is a deficient number, since it is larger than the sum of its proper divisors (423797047).

1380124361 is a wasteful number, since it uses less digits than its factorization.

1380124361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1380124361 is about 37150.0250470979. The cubic root of 1380124361 is about 1113.3697239013.

The spelling of 1380124361 in words is "one billion, three hundred eighty million, one hundred twenty-four thousand, three hundred sixty-one".