1220374 has 4 divisors (see below), whose sum is σ = 1830564. Its totient is φ = 610186.

The previous prime is 1220369. The next prime is 1220393. The reversal of 1220374 is 4730221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305092 + ... + 305095.

It is an arithmetic number, because the mean of its divisors is an integer number (457641).

2^1220374 is an apocalyptic number.

1220374 is a deficient number, since it is larger than the sum of its proper divisors (610190).

1220374 is an equidigital number, since it uses as much as digits as its factorization.

1220374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610189.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1220374 is about 1104.7053905906. The cubic root of 1220374 is about 106.8638907550.

Adding to 1220374 its reverse (4730221), we get a palindrome (5950595).

The spelling of 1220374 in words is "one million, two hundred twenty thousand, three hundred seventy-four".