1245148929 has 10 divisors (see below), whose sum is σ = 1860037410. Its totient is φ = 830099232.

The previous prime is 1245148873. The next prime is 1245148943. The reversal of 1245148929 is 9298415421.

It is a happy number.

1245148929 is a `hidden beast` number, since 124 + 514 + 8 + 9 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1108890000 + 136258929 = 33300^2 + 11673^2 .

It is not a de Polignac number, because 1245148929 - 2¹⁵ = 1245116161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245140929) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7686024 + ... + 7686185.

It is an arithmetic number, because the mean of its divisors is an integer number (186003741).

Almost surely, 2^1245148929 is an apocalyptic number.

It is an amenable number.

1245148929 is a deficient number, since it is larger than the sum of its proper divisors (614888481).

1245148929 is an equidigital number, since it uses as much as digits as its factorization.

1245148929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15372221 (or 15372212 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1245148929 is about 35286.6678647900. The cubic root of 1245148929 is about 1075.8220296971.

The spelling of 1245148929 in words is "one billion, two hundred forty-five million, one hundred forty-eight thousand, nine hundred twenty-nine".