1010156100 has 72 divisors (see below), whose sum is σ = 2928333408. Its totient is φ = 268857600.

The previous prime is 1010156089. The next prime is 1010156107. The reversal of 1010156100 is 16510101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1010156100.

It is not an unprimeable number, because it can be changed into a prime (1010156107) by changing a digit.

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, 168352 + ... + 174248.

Almost surely, 2^1010156100 is an apocalyptic number.

1010156100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010156100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464166704).

1010156100 is an abundant number, since it is smaller than the sum of its proper divisors (1918177308).

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

1010156100 is a wasteful number, since it uses less digits than its factorization.

1010156100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485 (or 6478 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1010156100 is about 31782.9529779723. The cubic root of 1010156100 is about 1003.3739701891.

Adding to 1010156100 its reverse (16510101), we get a palindrome (1026666201).

The spelling of 1010156100 in words is "one billion, ten million, one hundred fifty-six thousand, one hundred".