40712102 has 4 divisors (see below), whose sum is σ = 61068156. Its totient is φ = 20356050.

The previous prime is 40712101. The next prime is 40712129. The reversal of 40712102 is 20121704.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40712101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10178024 + ... + 10178027.

It is an arithmetic number, because the mean of its divisors is an integer number (15267039).

Almost surely, 2^40712102 is an apocalyptic number.

40712102 is a deficient number, since it is larger than the sum of its proper divisors (20356054).

40712102 is a wasteful number, since it uses less digits than its factorization.

40712102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20356053.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 40712102 is about 6380.6035764652. The cubic root of 40712102 is about 344.0127260030.

Adding to 40712102 its reverse (20121704), we get a palindrome (60833806).

The spelling of 40712102 in words is "forty million, seven hundred twelve thousand, one hundred two".