1245753106 has 16 divisors (see below), whose sum is σ = 2013893784. Its totient is φ = 574527744.

The previous prime is 1245753097. The next prime is 1245753121. The reversal of 1245753106 is 6013575421.

It can be written as a sum of positive squares in 4 ways, for example, as 908479881 + 337273225 = 30141^2 + 18365^2 .

It is a super-2 number, since 2×1245753106² = 3103801602217294472, which contains 22 as substring.

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, 18250 + ... + 53146.

Almost surely, 2^1245753106 is an apocalyptic number.

1245753106 is a deficient number, since it is larger than the sum of its proper divisors (768140678).

1245753106 is a wasteful number, since it uses less digits than its factorization.

1245753106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36285.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1245753106 is about 35295.2278077363. The cubic root of 1245753106 is about 1075.9960066969.

The spelling of 1245753106 in words is "one billion, two hundred forty-five million, seven hundred fifty-three thousand, one hundred six".