101062261 has 4 divisors (see below), whose sum is σ = 102043552. Its totient is φ = 100080972.

The previous prime is 101062243. The next prime is 101062271. The reversal of 101062261 is 162260101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 162260101 = 23 ⋅7054787.

It is a cyclic number.

It is not a de Polignac number, because 101062261 - 2¹⁵ = 101029493 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 (101062231) 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, 490491 + ... + 490696.

It is an arithmetic number, because the mean of its divisors is an integer number (25510888).

Almost surely, 2^101062261 is an apocalyptic number.

It is an amenable number.

101062261 is a deficient number, since it is larger than the sum of its proper divisors (981291).

101062261 is an equidigital number, since it uses as much as digits as its factorization.

101062261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981290.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 101062261 is about 10052.9727444174. The cubic root of 101062261 is about 465.7966242160.

The spelling of 101062261 in words is "one hundred one million, sixty-two thousand, two hundred sixty-one".