1162421 has 4 divisors (see below), whose sum is σ = 1251852. Its totient is φ = 1072992.

The previous prime is 1162417. The next prime is 1162423. The reversal of 1162421 is 1242611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 372100 = 889^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162421 - 2² = 1162417 is a prime.

It is a super-3 number, since 3×1162421³ = 4712068512326233383, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1162421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162423) 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, 44696 + ... + 44721.

It is an arithmetic number, because the mean of its divisors is an integer number (312963).

2^1162421 is an apocalyptic number.

It is an amenable number.

1162421 is a deficient number, since it is larger than the sum of its proper divisors (89431).

1162421 is an equidigital number, since it uses as much as digits as its factorization.

1162421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89430.

The product of its digits is 96, while the sum is 17.

The square root of 1162421 is about 1078.1562966472. The cubic root of 1162421 is about 105.1448039904.

The spelling of 1162421 in words is "one million, one hundred sixty-two thousand, four hundred twenty-one".