1230825650 has 24 divisors (see below), whose sum is σ = 2292027780. Its totient is φ = 491751360.

The previous prime is 1230825599. The next prime is 1230825689. The reversal of 1230825650 is 565280321.

It can be written as a sum of positive squares in 6 ways, for example, as 417834481 + 812991169 = 20441^2 + 28513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29816 + ... + 57884.

Almost surely, 2^1230825650 is an apocalyptic number.

1230825650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230825650 is a deficient number, since it is larger than the sum of its proper divisors (1061202130).

1230825650 is a wasteful number, since it uses less digits than its factorization.

1230825650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28958 (or 28953 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1230825650 is about 35083.1248608216. The cubic root of 1230825650 is about 1071.6809546821.

The spelling of 1230825650 in words is "one billion, two hundred thirty million, eight hundred twenty-five thousand, six hundred fifty".