101400426 has 24 divisors (see below), whose sum is σ = 221161824. Its totient is φ = 33575400.

The previous prime is 101400389. The next prime is 101400433. The reversal of 101400426 is 624004101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101400399 and 101400408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15936 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (9215076).

Almost surely, 2^101400426 is an apocalyptic number.

101400426 is an abundant number, since it is smaller than the sum of its proper divisors (119761398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101400426 is a wasteful number, since it uses less digits than its factorization.

101400426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37466 (or 37463 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101400426 is about 10069.7778525646. Note that the first 3 decimals coincide. The cubic root of 101400426 is about 466.3155807194.

Adding to 101400426 its reverse (624004101), we get a palindrome (725404527).

The spelling of 101400426 in words is "one hundred one million, four hundred thousand, four hundred twenty-six".