1207772420 has 24 divisors (see below), whose sum is σ = 2537426304. Its totient is φ = 482898656.

The previous prime is 1207772407. The next prime is 1207772437. The reversal of 1207772420 is 242777021.

It is a happy 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, 38987 + ... + 62733.

It is an arithmetic number, because the mean of its divisors is an integer number (105726096).

Almost surely, 2^1207772420 is an apocalyptic number.

1207772420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207772420 is an abundant number, since it is smaller than the sum of its proper divisors (1329653884).

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

1207772420 is a wasteful number, since it uses less digits than its factorization.

1207772420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26299 (or 26297 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 1207772420 is about 34753.0203003998. The cubic root of 1207772420 is about 1064.9479193088.

The spelling of 1207772420 in words is "one billion, two hundred seven million, seven hundred seventy-two thousand, four hundred twenty".