961857101 has 4 divisors (see below), whose sum is σ = 962236704. Its totient is φ = 961477500.

The previous prime is 961857073. The next prime is 961857109. The reversal of 961857101 is 101758169.

961857101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 961857101 - 2¹⁴ = 961840717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961857109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185975 + ... + 191076.

It is an arithmetic number, because the mean of its divisors is an integer number (240559176).

Almost surely, 2^961857101 is an apocalyptic number.

It is an amenable number.

961857101 is a deficient number, since it is larger than the sum of its proper divisors (379603).

961857101 is a wasteful number, since it uses less digits than its factorization.

961857101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379602.

The product of its (nonzero) digits is 15120, while the sum is 38.

The square root of 961857101 is about 31013.8211286517. The cubic root of 961857101 is about 987.1205317835.

The spelling of 961857101 in words is "nine hundred sixty-one million, eight hundred fifty-seven thousand, one hundred one".