1243154150 has 48 divisors (see below), whose sum is σ = 2654401536. Its totient is φ = 424319520.

The previous prime is 1243154093. The next prime is 1243154201. The reversal of 1243154150 is 514513421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71627 + ... + 87273.

It is an arithmetic number, because the mean of its divisors is an integer number (55300032).

Almost surely, 2^1243154150 is an apocalyptic number.

1243154150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243154150 is an abundant number, since it is smaller than the sum of its proper divisors (1411247386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243154150 is a wasteful number, since it uses less digits than its factorization.

1243154150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15893 (or 15888 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1243154150 is about 35258.3911998265. The cubic root of 1243154150 is about 1075.2472191474.

Adding to 1243154150 its reverse (514513421), we get a palindrome (1757667571).

The spelling of 1243154150 in words is "one billion, two hundred forty-three million, one hundred fifty-four thousand, one hundred fifty".