1201505061 has 8 divisors (see below), whose sum is σ = 1657248480. Its totient is φ = 773382512.

The previous prime is 1201505057. The next prime is 1201505093. The reversal of 1201505061 is 1605051021.

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 1201505061 - 2² = 1201505057 is a prime.

It is a super-2 number, since 2×1201505061² = 2887228823217227442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201505021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6905115 + ... + 6905288.

It is an arithmetic number, because the mean of its divisors is an integer number (207156060).

Almost surely, 2^1201505061 is an apocalyptic number.

It is an amenable number.

1201505061 is a deficient number, since it is larger than the sum of its proper divisors (455743419).

1201505061 is a wasteful number, since it uses less digits than its factorization.

1201505061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13810435.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1201505061 is about 34662.7330284269. The cubic root of 1201505061 is about 1063.1026519002.

Adding to 1201505061 its reverse (1605051021), we get a palindrome (2806556082).

The spelling of 1201505061 in words is "one billion, two hundred one million, five hundred five thousand, sixty-one".