102040401 has 8 divisors (see below), whose sum is σ = 137401344. Its totient is φ = 67353200.

The previous prime is 102040399. The next prime is 102040403. The reversal of 102040401 is 104040201.

It is an interprime number because it is at equal distance from previous prime (102040399) and next prime (102040403).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102040401 - 2¹ = 102040399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102040403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168081 + ... + 168686.

It is an arithmetic number, because the mean of its divisors is an integer number (17175168).

Almost surely, 2^102040401 is an apocalyptic number.

It is an amenable number.

102040401 is a deficient number, since it is larger than the sum of its proper divisors (35360943).

102040401 is a wasteful number, since it uses less digits than its factorization.

102040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336871.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102040401 is about 10101.5048878868. The cubic root of 102040401 is about 467.2945531740.

Adding to 102040401 its reverse (104040201), we get a palindrome (206080602).

The spelling of 102040401 in words is "one hundred two million, forty thousand, four hundred one".