1197401405419 has 4 divisors (see below), whose sum is σ = 1260422532040. Its totient is φ = 1134380278800.

The previous prime is 1197401405353. The next prime is 1197401405443. The reversal of 1197401405419 is 9145041047911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1197401405419 - 2²¹ = 1197399308267 is a prime.

It is a super-2 number, since 2×1197401405419² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197401405219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31510563282 + ... + 31510563319.

It is an arithmetic number, because the mean of its divisors is an integer number (315105633010).

Almost surely, 2^{1197401405419} is an apocalyptic number.

1197401405419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1197401405419 is a deficient number, since it is larger than the sum of its proper divisors (63021126621).

1197401405419 is an equidigital number, since it uses as much as digits as its factorization.

1197401405419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63021126620.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 1197401405419 in words is "one trillion, one hundred ninety-seven billion, four hundred one million, four hundred five thousand, four hundred nineteen".