1213107150 has 48 divisors (see below), whose sum is σ = 3036662784. Its totient is φ = 320467680.

The previous prime is 1213107127. The next prime is 1213107151. The reversal of 1213107150 is 517013121.

It is a happy number.

It is a super-2 number, since 2×1213107150² = 2943257914762245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213107151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21742 + ... + 53841.

It is an arithmetic number, because the mean of its divisors is an integer number (63263808).

Almost surely, 2^1213107150 is an apocalyptic number.

1213107150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213107150 is an abundant number, since it is smaller than the sum of its proper divisors (1823555634).

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

1213107150 is a wasteful number, since it uses less digits than its factorization.

1213107150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75705 (or 75700 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 1213107150 is about 34829.6877677650. The cubic root of 1213107150 is about 1066.5135744913.

The spelling of 1213107150 in words is "one billion, two hundred thirteen million, one hundred seven thousand, one hundred fifty".