1243150 has 36 divisors (see below), whose sum is σ = 2468592. Its totient is φ = 465520.

The previous prime is 1243147. The next prime is 1243157. The reversal of 1243150 is 513421.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26427 + ... + 26473.

It is an arithmetic number, because the mean of its divisors is an integer number (68572).

2^1243150 is an apocalyptic number.

1243150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243150 is a deficient number, since it is larger than the sum of its proper divisors (1225442).

1243150 is a wasteful number, since it uses less digits than its factorization.

1243150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1243150 is about 1114.9663672058. The cubic root of 1243150 is about 107.5246022653.

Adding to 1243150 its reverse (513421), we get a palindrome (1756571).

The spelling of 1243150 in words is "one million, two hundred forty-three thousand, one hundred fifty".