1192421 has 8 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 1116288.

The previous prime is 1192417. The next prime is 1192423. The reversal of 1192421 is 1242911.

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

It is not a de Polignac number, because 1192421 - 2² = 1192417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1192393 and 1192402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2^1192421 is an apocalyptic number.

It is an amenable number.

1192421 is a deficient number, since it is larger than the sum of its proper divisors (77659).

1192421 is an equidigital number, since it uses as much as digits as its factorization.

1192421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its digits is 144, while the sum is 20.

The square root of 1192421 is about 1091.9803111778. The cubic root of 1192421 is about 106.0416651206.

The spelling of 1192421 in words is "one million, one hundred ninety-two thousand, four hundred twenty-one".