101230477 has 4 divisors (see below), whose sum is σ = 103140540. Its totient is φ = 99320416.

The previous prime is 101230421. The next prime is 101230511. The reversal of 101230477 is 774032101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 774032101 = 5167 ⋅149803.

It can be written as a sum of positive squares in 2 ways, for example, as 79941481 + 21288996 = 8941^2 + 4614^2 .

It is a cyclic number.

It is not a de Polignac number, because 101230477 - 2¹⁹ = 100706189 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 (101230417) 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, 954952 + ... + 955057.

It is an arithmetic number, because the mean of its divisors is an integer number (25785135).

Almost surely, 2^101230477 is an apocalyptic number.

It is an amenable number.

101230477 is a deficient number, since it is larger than the sum of its proper divisors (1910063).

101230477 is an equidigital number, since it uses as much as digits as its factorization.

101230477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910062.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 101230477 is about 10061.3357463112. The cubic root of 101230477 is about 466.0549171772.

Adding to 101230477 its reverse (774032101), we get a palindrome (875262578).

The spelling of 101230477 in words is "one hundred one million, two hundred thirty thousand, four hundred seventy-seven".