1207978030 has 16 divisors (see below), whose sum is σ = 2484983520. Its totient is φ = 414163872.

The previous prime is 1207978021. The next prime is 1207978049. The reversal of 1207978030 is 308797021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8628345 + ... + 8628484.

It is an arithmetic number, because the mean of its divisors is an integer number (155311470).

Almost surely, 2^1207978030 is an apocalyptic number.

1207978030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1207978030 is an abundant number, since it is smaller than the sum of its proper divisors (1277005490).

1207978030 is a wasteful number, since it uses less digits than its factorization.

1207978030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17256843.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1207978030 is about 34755.9783346693. The cubic root of 1207978030 is about 1065.0083477785.

It can be divided in two parts, 12079 and 78030, that added together give a palindrome (90109).

The spelling of 1207978030 in words is "one billion, two hundred seven million, nine hundred seventy-eight thousand, thirty".