1201667270 has 32 divisors (see below), whose sum is σ = 2291996736. Its totient is φ = 452044800.

The previous prime is 1201667267. The next prime is 1201667281. The reversal of 1201667270 is 727661021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365735 + ... + 369005.

It is an arithmetic number, because the mean of its divisors is an integer number (71624898).

Almost surely, 2^1201667270 is an apocalyptic number.

1201667270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201667270 is a deficient number, since it is larger than the sum of its proper divisors (1090329466).

1201667270 is a wasteful number, since it uses less digits than its factorization.

1201667270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1201667270 is about 34665.0727678452. The cubic root of 1201667270 is about 1063.1504910824.

The spelling of 1201667270 in words is "one billion, two hundred one million, six hundred sixty-seven thousand, two hundred seventy".