1238813401 has 8 divisors (see below), whose sum is σ = 1450318464. Its totient is φ = 1035941280.

The previous prime is 1238813399. The next prime is 1238813417. The reversal of 1238813401 is 1043188321.

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

It is a cyclic number.

It is not a de Polignac number, because 1238813401 - 2¹ = 1238813399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238813201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157925 + ... + 2158498.

It is an arithmetic number, because the mean of its divisors is an integer number (181289808).

Almost surely, 2^1238813401 is an apocalyptic number.

It is an amenable number.

1238813401 is a deficient number, since it is larger than the sum of its proper divisors (211505063).

1238813401 is an equidigital number, since it uses as much as digits as its factorization.

1238813401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316471.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1238813401 is about 35196.7811170283. The cubic root of 1238813401 is about 1073.9942714873.

The spelling of 1238813401 in words is "one billion, two hundred thirty-eight million, eight hundred thirteen thousand, four hundred one".