101969427 has 32 divisors (see below), whose sum is σ = 158179840. Its totient is φ = 57231360.

The previous prime is 101969411. The next prime is 101969429. The reversal of 101969427 is 724969101.

It is not a de Polignac number, because 101969427 - 2⁴ = 101969411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101969429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528243 + ... + 528435.

It is an arithmetic number, because the mean of its divisors is an integer number (4943120).

Almost surely, 2^101969427 is an apocalyptic number.

101969427 is a deficient number, since it is larger than the sum of its proper divisors (56210413).

101969427 is a wasteful number, since it uses less digits than its factorization.

101969427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 101969427 is about 10097.9912358845. The cubic root of 101969427 is about 467.1861861098.

It can be divided in two parts, 101 and 969427, that added together give a triangular number (969528 = T₁₃₉₂).

The spelling of 101969427 in words is "one hundred one million, nine hundred sixty-nine thousand, four hundred twenty-seven".