101203144 has 16 divisors (see below), whose sum is σ = 216864000. Its totient is φ = 43372752.

The previous prime is 101203099. The next prime is 101203163. The reversal of 101203144 is 441302101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903544 + ... + 903655.

It is an arithmetic number, because the mean of its divisors is an integer number (13554000).

Almost surely, 2^101203144 is an apocalyptic number.

101203144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101203144 is an abundant number, since it is smaller than the sum of its proper divisors (115660856).

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

101203144 is a wasteful number, since it uses less digits than its factorization.

101203144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807212 (or 1807208 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101203144 is about 10059.9773359586. The cubic root of 101203144 is about 466.0129672753.

Adding to 101203144 its reverse (441302101), we get a palindrome (542505245).

The spelling of 101203144 in words is "one hundred one million, two hundred three thousand, one hundred forty-four".