1201055031 has 24 divisors (see below), whose sum is σ = 1901093376. Its totient is φ = 724634640.

The previous prime is 1201055021. The next prime is 1201055077. The reversal of 1201055031 is 1305501021.

It is not a de Polignac number, because 1201055031 - 2¹⁰ = 1201054007 is a prime.

It is a super-2 number, since 2×1201055031² = 2885066374980821922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201054995 and 1201055013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201055021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5125 + ... + 49278.

It is an arithmetic number, because the mean of its divisors is an integer number (79212224).

Almost surely, 2^1201055031 is an apocalyptic number.

1201055031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201055031 is a deficient number, since it is larger than the sum of its proper divisors (700038345).

1201055031 is a wasteful number, since it uses less digits than its factorization.

1201055031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54643 (or 54640 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1201055031 is about 34656.2408665452. The cubic root of 1201055031 is about 1062.9699051071.

Adding to 1201055031 its reverse (1305501021), we get a palindrome (2506556052).

The spelling of 1201055031 in words is "one billion, two hundred one million, fifty-five thousand, thirty-one".