1213124150 has 24 divisors (see below), whose sum is σ = 2578756080. Its totient is φ = 415928160.

The previous prime is 1213124149. The next prime is 1213124173. The reversal of 1213124150 is 514213121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732685 + ... + 1733384.

It is an arithmetic number, because the mean of its divisors is an integer number (107448170).

Almost surely, 2^1213124150 is an apocalyptic number.

1213124150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213124150 is an abundant number, since it is smaller than the sum of its proper divisors (1365631930).

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

1213124150 is a wasteful number, since it uses less digits than its factorization.

1213124150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466088 (or 3466083 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1213124150 is about 34829.9318115899. The cubic root of 1213124150 is about 1066.5185563668.

Adding to 1213124150 its reverse (514213121), we get a palindrome (1727337271).

The spelling of 1213124150 in words is "one billion, two hundred thirteen million, one hundred twenty-four thousand, one hundred fifty".