1201214535 has 16 divisors (see below), whose sum is σ = 1941759456. Its totient is φ = 634042368.

The previous prime is 1201214533. The next prime is 1201214549. The reversal of 1201214535 is 5354121021.

It is a happy number.

It is not a de Polignac number, because 1201214535 - 2¹ = 1201214533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201214533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411334 + ... + 414243.

It is an arithmetic number, because the mean of its divisors is an integer number (121359966).

Almost surely, 2^1201214535 is an apocalyptic number.

1201214535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201214535 is a deficient number, since it is larger than the sum of its proper divisors (740544921).

1201214535 is an equidigital number, since it uses as much as digits as its factorization.

1201214535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825682.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1201214535 is about 34658.5420206909. The cubic root of 1201214535 is about 1063.0169583068.

Adding to 1201214535 its reverse (5354121021), we get a palindrome (6555335556).

The spelling of 1201214535 in words is "one billion, two hundred one million, two hundred fourteen thousand, five hundred thirty-five".