103402451 has 4 divisors (see below), whose sum is σ = 105924504. Its totient is φ = 100880400.

The previous prime is 103402447. The next prime is 103402493. The reversal of 103402451 is 154204301.

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

It is a cyclic number.

It is not a de Polignac number, because 103402451 - 2² = 103402447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103402441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260965 + ... + 1261046.

It is an arithmetic number, because the mean of its divisors is an integer number (26481126).

Almost surely, 2^103402451 is an apocalyptic number.

103402451 is a deficient number, since it is larger than the sum of its proper divisors (2522053).

103402451 is an equidigital number, since it uses as much as digits as its factorization.

103402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522052.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 103402451 is about 10168.6995727084. The cubic root of 103402451 is about 469.3645418570.

Adding to 103402451 its reverse (154204301), we get a palindrome (257606752).

The spelling of 103402451 in words is "one hundred three million, four hundred two thousand, four hundred fifty-one".