1200557030 has 32 divisors (see below), whose sum is σ = 2183734080. Its totient is φ = 475194880.

The previous prime is 1200557021. The next prime is 1200557101. The reversal of 1200557030 is 307550021.

It is a junction number, because it is equal to n+sod(n) for n = 1200556987 and 1200557005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490610 + ... + 493050.

It is an arithmetic number, because the mean of its divisors is an integer number (68241690).

Almost surely, 2^1200557030 is an apocalyptic number.

1200557030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200557030 is a deficient number, since it is larger than the sum of its proper divisors (983177050).

1200557030 is a wasteful number, since it uses less digits than its factorization.

1200557030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1200557030 is about 34649.0552540758. The cubic root of 1200557030 is about 1062.8229694983.

The spelling of 1200557030 in words is "one billion, two hundred million, five hundred fifty-seven thousand, thirty".