1200671952 has 20 divisors (see below), whose sum is σ = 3101736000. Its totient is φ = 400223968.

The previous prime is 1200671947. The next prime is 1200671957. The reversal of 1200671952 is 2591760021.

It is an interprime number because it is at equal distance from previous prime (1200671947) and next prime (1200671957).

It is a super-2 number, since 2×1200671952² = 2883226272638980608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200671957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12506952 + ... + 12507047.

It is an arithmetic number, because the mean of its divisors is an integer number (155086800).

Almost surely, 2^1200671952 is an apocalyptic number.

1200671952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200671952 is an abundant number, since it is smaller than the sum of its proper divisors (1901064048).

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

1200671952 is a wasteful number, since it uses less digits than its factorization.

1200671952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014010 (or 25014004 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1200671952 is about 34650.7135857258. The cubic root of 1200671952 is about 1062.8568809358.

The spelling of 1200671952 in words is "one billion, two hundred million, six hundred seventy-one thousand, nine hundred fifty-two".