1245021034 has 8 divisors (see below), whose sum is σ = 1872539460. Its totient is φ = 620841216.

The previous prime is 1245021007. The next prime is 1245021091. The reversal of 1245021034 is 4301205421.

It can be written as a sum of positive squares in 2 ways, for example, as 1172720025 + 72301009 = 34245^2 + 8503^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1245020996 and 1245021014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833719 + ... + 835210.

Almost surely, 2^1245021034 is an apocalyptic number.

1245021034 is a deficient number, since it is larger than the sum of its proper divisors (627518426).

1245021034 is a wasteful number, since it uses less digits than its factorization.

1245021034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669304.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1245021034 is about 35284.8555898986. The cubic root of 1245021034 is about 1075.7851942186.

Adding to 1245021034 its reverse (4301205421), we get a palindrome (5546226455).

The spelling of 1245021034 in words is "one billion, two hundred forty-five million, twenty-one thousand, thirty-four".