101535421 has 8 divisors (see below), whose sum is σ = 109555544. Its totient is φ = 93545280.

The previous prime is 101535419. The next prime is 101535431. The reversal of 101535421 is 124535101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2134521 + 99400900 = 1461^2 + 9970^2 .

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 101535421 - 2¹ = 101535419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101535392 and 101535401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101535431) 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, 186 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (13694443).

Almost surely, 2^101535421 is an apocalyptic number.

It is an amenable number.

101535421 is a deficient number, since it is larger than the sum of its proper divisors (8020123).

101535421 is a wasteful number, since it uses less digits than its factorization.

101535421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991.

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

The square root of 101535421 is about 10076.4786011781. The cubic root of 101535421 is about 466.5224252057.

The spelling of 101535421 in words is "one hundred one million, five hundred thirty-five thousand, four hundred twenty-one".