100601442 has 12 divisors (see below), whose sum is σ = 217969830. Its totient is φ = 33533808.

The previous prime is 100601411. The next prime is 100601477. The reversal of 100601442 is 244106001.

It can be written as a sum of positive squares in only one way, i.e., 74805201 + 25796241 = 8649^2 + 5079^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5588969 = 100601442 / (1 + 0 + 0 + 6 + 0 + 1 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2794467 + ... + 2794502.

Almost surely, 2^100601442 is an apocalyptic number.

100601442 is an abundant number, since it is smaller than the sum of its proper divisors (117368388).

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

100601442 is a wasteful number, since it uses less digits than its factorization.

100601442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588977 (or 5588974 counting only the distinct ones).

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

The square root of 100601442 is about 10030.0270189068. The cubic root of 100601442 is about 465.0875728232.

Adding to 100601442 its reverse (244106001), we get a palindrome (344707443).

The spelling of 100601442 in words is "one hundred million, six hundred one thousand, four hundred forty-two".