451125106 has 4 divisors (see below), whose sum is σ = 676687662. Its totient is φ = 225562552.

The previous prime is 451125089. The next prime is 451125109. The reversal of 451125106 is 601521154.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 351225081 + 99900025 = 18741^2 + 9995^2 .

It is a super-2 number, since 2×451125106² = 407027722527022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451125109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112781275 + ... + 112781278.

Almost surely, 2^451125106 is an apocalyptic number.

451125106 is a deficient number, since it is larger than the sum of its proper divisors (225562556).

451125106 is a wasteful number, since it uses less digits than its factorization.

451125106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225562555.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 451125106 is about 21239.7058830860. The cubic root of 451125106 is about 766.9475522352.

The spelling of 451125106 in words is "four hundred fifty-one million, one hundred twenty-five thousand, one hundred six".