1245325051 has 8 divisors (see below), whose sum is σ = 1261314864. Its totient is φ = 1229407200.

The previous prime is 1245325033. The next prime is 1245325061. The reversal of 1245325051 is 1505235421.

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

It is a cyclic number.

It is not a de Polignac number, because 1245325051 - 2¹³ = 1245316859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245325001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17281 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (157664358).

Almost surely, 2^1245325051 is an apocalyptic number.

1245325051 is a deficient number, since it is larger than the sum of its proper divisors (15989813).

1245325051 is a wasteful number, since it uses less digits than its factorization.

1245325051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35981.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1245325051 is about 35289.1633649765. The cubic root of 1245325051 is about 1075.8727510714.

The spelling of 1245325051 in words is "one billion, two hundred forty-five million, three hundred twenty-five thousand, fifty-one".