1242250 has 16 divisors (see below), whose sum is σ = 2325960. Its totient is φ = 496800.

The previous prime is 1242233. The next prime is 1242251. The reversal of 1242250 is 522421.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 1042441 = 447^2 + 1021^2 .

It is not an unprimeable number, because it can be changed into a prime (1242251) 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, 2235 + ... + 2734.

2^1242250 is an apocalyptic number.

1242250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242250 is a deficient number, since it is larger than the sum of its proper divisors (1083710).

1242250 is an equidigital number, since it uses as much as digits as its factorization.

1242250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1242250 is about 1114.5626945130. The cubic root of 1242250 is about 107.4986479008.

Adding to 1242250 its reverse (522421), we get a palindrome (1764671).

The spelling of 1242250 in words is "one million, two hundred forty-two thousand, two hundred fifty".