1245379233 has 32 divisors (see below), whose sum is σ = 1934360320. Its totient is φ = 697973760.

The previous prime is 1245379207. The next prime is 1245379243. The reversal of 1245379233 is 3329735421.

It is not a de Polignac number, because 1245379233 - 2⁹ = 1245378721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245379191 and 1245379200.

It is not an unprimeable number, because it can be changed into a prime (1245379243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522741 + ... + 525117.

It is an arithmetic number, because the mean of its divisors is an integer number (60448760).

Almost surely, 2^1245379233 is an apocalyptic number.

It is an amenable number.

1245379233 is a deficient number, since it is larger than the sum of its proper divisors (688981087).

1245379233 is a wasteful number, since it uses less digits than its factorization.

1245379233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857.

The product of its digits is 136080, while the sum is 39.

The square root of 1245379233 is about 35289.9310427210. The cubic root of 1245379233 is about 1075.8883539835. Note that the first 3 decimals are identical.

The spelling of 1245379233 in words is "one billion, two hundred forty-five million, three hundred seventy-nine thousand, two hundred thirty-three".