101231061 has 8 divisors (see below), whose sum is σ = 135513504. Its totient is φ = 67218000.

The previous prime is 101231057. The next prime is 101231077. The reversal of 101231061 is 160132101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101231061 - 2² = 101231057 is a prime.

It is a super-2 number, since 2×101231061² = 20495455422371442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101231061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66466 + ... + 67971.

It is an arithmetic number, because the mean of its divisors is an integer number (16939188).

Almost surely, 2^101231061 is an apocalyptic number.

It is an amenable number.

101231061 is a deficient number, since it is larger than the sum of its proper divisors (34282443).

101231061 is a wasteful number, since it uses less digits than its factorization.

101231061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134691.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 101231061 is about 10061.3647682608. The cubic root of 101231061 is about 466.0558134012.

Adding to 101231061 its reverse (160132101), we get a palindrome (261363162).

The spelling of 101231061 in words is "one hundred one million, two hundred thirty-one thousand, sixty-one".