1245150123 has 96 divisors (see below), whose sum is σ = 2138019840. Its totient is φ = 640120320.

The previous prime is 1245150121. The next prime is 1245150131. The reversal of 1245150123 is 3210515421.

It is a happy number.

It is not a de Polignac number, because 1245150123 - 2¹ = 1245150121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245150093 and 1245150102.

It is not an unprimeable number, because it can be changed into a prime (1245150121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6320461 + ... + 6320657.

It is an arithmetic number, because the mean of its divisors is an integer number (22271040).

Almost surely, 2^1245150123 is an apocalyptic number.

1245150123 is a deficient number, since it is larger than the sum of its proper divisors (892869717).

1245150123 is a wasteful number, since it uses less digits than its factorization.

1245150123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1245150123 is about 35286.6847833570. The cubic root of 1245150123 is about 1075.8223735733.

Adding to 1245150123 its reverse (3210515421), we get a palindrome (4455665544).

The spelling of 1245150123 in words is "one billion, two hundred forty-five million, one hundred fifty thousand, one hundred twenty-three".