101025791 has 16 divisors (see below), whose sum is σ = 106644384. Its totient is φ = 95606784.

The previous prime is 101025787. The next prime is 101025809. The reversal of 101025791 is 197520101.

It is a cyclic number.

It is not a de Polignac number, because 101025791 - 2² = 101025787 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 101025791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101025721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220835 + ... + 221291.

It is an arithmetic number, because the mean of its divisors is an integer number (6665274).

Almost surely, 2^101025791 is an apocalyptic number.

101025791 is a deficient number, since it is larger than the sum of its proper divisors (5618593).

101025791 is an equidigital number, since it uses as much as digits as its factorization.

101025791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 101025791 is about 10051.1586894248. The cubic root of 101025791 is about 465.7405873184.

Adding to 101025791 its reverse (197520101), we get a palindrome (298545892).

The spelling of 101025791 in words is "one hundred one million, twenty-five thousand, seven hundred ninety-one".