101551243 has 8 divisors (see below), whose sum is σ = 105374880. Its totient is φ = 97749120.

The previous prime is 101551231. The next prime is 101551253. The reversal of 101551243 is 342155101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101551243 - 2⁹ = 101550731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101551223) 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, 4578 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (13171860).

Almost surely, 2^101551243 is an apocalyptic number.

101551243 is a deficient number, since it is larger than the sum of its proper divisors (3823637).

101551243 is a wasteful number, since it uses less digits than its factorization.

101551243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 101551243 is about 10077.2636662935. The cubic root of 101551243 is about 466.5466562717.

The spelling of 101551243 in words is "one hundred one million, five hundred fifty-one thousand, two hundred forty-three".