126698045 has 8 divisors (see below), whose sum is σ = 152112600. Its totient is φ = 101308480.

The previous prime is 126698021. The next prime is 126698051. The reversal of 126698045 is 540896621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4507129 + 122190916 = 2123^2 + 11054^2 .

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

It is not a de Polignac number, because 126698045 - 2⁶ = 126697981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126697993 and 126698011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7775 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (19014075).

Almost surely, 2^126698045 is an apocalyptic number.

It is an amenable number.

126698045 is a deficient number, since it is larger than the sum of its proper divisors (25414555).

126698045 is an equidigital number, since it uses as much as digits as its factorization.

126698045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 126698045 is about 11256.0226101408. The cubic root of 126698045 is about 502.2538847408.

The spelling of 126698045 in words is "one hundred twenty-six million, six hundred ninety-eight thousand, forty-five".