1201455415 has 8 divisors (see below), whose sum is σ = 1444385520. Its totient is φ = 959404992.

The previous prime is 1201455403. The next prime is 1201455421. The reversal of 1201455415 is 5145541021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201455415 - 2⁵ = 1201455383 is a prime.

It is a super-2 number, since 2×1201455415² = 2886990228465644450, which contains 22 as substring.

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, 216910 + ... + 222379.

It is an arithmetic number, because the mean of its divisors is an integer number (180548190).

Almost surely, 2^1201455415 is an apocalyptic number.

1201455415 is a deficient number, since it is larger than the sum of its proper divisors (242930105).

1201455415 is an equidigital number, since it uses as much as digits as its factorization.

1201455415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439841.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1201455415 is about 34662.0168916928. The cubic root of 1201455415 is about 1063.0880092871.

Adding to 1201455415 its reverse (5145541021), we get a palindrome (6346996436).

The spelling of 1201455415 in words is "one billion, two hundred one million, four hundred fifty-five thousand, four hundred fifteen".