1193421427 has 12 divisors (see below), whose sum is σ = 1357014960. Its totient is φ = 1047514160.

The previous prime is 1193421409. The next prime is 1193421433. The reversal of 1193421427 is 7241243911.

It is not a de Polignac number, because 1193421427 - 2¹⁵ = 1193388659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1193421392 and 1193421401.

It is not an unprimeable number, because it can be changed into a prime (1193421127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166543 + ... + 173560.

It is an arithmetic number, because the mean of its divisors is an integer number (113084580).

Almost surely, 2^1193421427 is an apocalyptic number.

1193421427 is a deficient number, since it is larger than the sum of its proper divisors (163593533).

1193421427 is a wasteful number, since it uses less digits than its factorization.

1193421427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340154 (or 340143 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 1193421427 is about 34545.9321338996. The cubic root of 1193421427 is about 1060.7131272833.

The spelling of 1193421427 in words is "one billion, one hundred ninety-three million, four hundred twenty-one thousand, four hundred twenty-seven".