1205628700 has 18 divisors (see below), whose sum is σ = 2616214496. Its totient is φ = 482251440.

The previous prime is 1205628691. The next prime is 1205628703. The reversal of 1205628700 is 78265021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205628703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6028044 + ... + 6028243.

Almost surely, 2^1205628700 is an apocalyptic number.

1205628700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1205628700 is an abundant number, since it is smaller than the sum of its proper divisors (1410585796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205628700 is a wasteful number, since it uses less digits than its factorization.

1205628700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056301 (or 12056294 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1205628700 is about 34722.1643910630. The cubic root of 1205628700 is about 1064.3174743268.

The spelling of 1205628700 in words is "one billion, two hundred five million, six hundred twenty-eight thousand, seven hundred".