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101234021 = 783174241
BaseRepresentation
bin1100000100010…
…11010101100101
321001111012222012
412002023111211
5201403442041
614013444005
72336321630
oct602132545
9231435865
10101234021
1152164689
1229aa0605
1317c863b5
14d632c17
158d4a3eb
hex608b565

101234021 has 8 divisors (see below), whose sum is σ = 117090624. Its totient is φ = 85726080.

The previous prime is 101233999. The next prime is 101234039. The reversal of 101234021 is 120432101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101234021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101233987 and 101234005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230021) 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, 86540 + ... + 87701.

It is an arithmetic number, because the mean of its divisors is an integer number (14636328).

Almost surely, 2101234021 is an apocalyptic number.

It is an amenable number.

101234021 is a deficient number, since it is larger than the sum of its proper divisors (15856603).

101234021 is an equidigital number, since it uses as much as digits as its factorization.

101234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174331.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101234021 is about 10061.5118645261. The cubic root of 101234021 is about 466.0603558534.

Adding to 101234021 its reverse (120432101), we get a palindrome (221666122).

The spelling of 101234021 in words is "one hundred one million, two hundred thirty-four thousand, twenty-one".

Divisors: 1 7 83 581 174241 1219687 14462003 101234021