40103001 has 24 divisors (see below), whose sum is σ = 59439744. Its totient is φ = 26046720.

The previous prime is 40102999. The next prime is 40103009. The reversal of 40103001 is 10030104.

It is not a de Polignac number, because 40103001 - 2¹ = 40102999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40103009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61660 + ... + 62306.

It is an arithmetic number, because the mean of its divisors is an integer number (2476656).

Almost surely, 2^40103001 is an apocalyptic number.

It is an amenable number.

40103001 is a deficient number, since it is larger than the sum of its proper divisors (19336743).

40103001 is a wasteful number, since it uses less digits than its factorization.

40103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 40103001 is about 6332.6930290359. The cubic root of 40103001 is about 342.2884864509.

Adding to 40103001 its reverse (10030104), we get a palindrome (50133105).

It can be divided in two parts, 40 and 103001, that added together give a square (103041 = 321²).

The spelling of 40103001 in words is "forty million, one hundred three thousand, one".