106261403 has 4 divisors (see below), whose sum is σ = 110881488. Its totient is φ = 101641320.

The previous prime is 106261303. The next prime is 106261409. The reversal of 106261403 is 304162601.

It is a happy number.

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 106261403 - 2⁸ = 106261147 is a prime.

It is a super-2 number, since 2×106261403² = 22582971535056818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4620061 = 106261403 / (1 + 0 + 6 + 2 + 6 + 1 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106261409) 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, 2310008 + ... + 2310053.

It is an arithmetic number, because the mean of its divisors is an integer number (27720372).

Almost surely, 2^106261403 is an apocalyptic number.

106261403 is a deficient number, since it is larger than the sum of its proper divisors (4620085).

106261403 is an equidigital number, since it uses as much as digits as its factorization.

106261403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620084.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 106261403 is about 10308.3171759507. The cubic root of 106261403 is about 473.6510618295.

The spelling of 106261403 in words is "one hundred six million, two hundred sixty-one thousand, four hundred three".