1010401655 has 8 divisors (see below), whose sum is σ = 1213684992. Its totient is φ = 807519328.

The previous prime is 1010401643. The next prime is 1010401657. The reversal of 1010401655 is 5561040101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010401655 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010401655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010401657) 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, 94679 + ... + 104808.

It is an arithmetic number, because the mean of its divisors is an integer number (151710624).

Almost surely, 2^1010401655 is an apocalyptic number.

1010401655 is a deficient number, since it is larger than the sum of its proper divisors (203283337).

1010401655 is a wasteful number, since it uses less digits than its factorization.

1010401655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200505.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1010401655 is about 31786.8157417505. The cubic root of 1010401655 is about 1003.4552657215.

Adding to 1010401655 its reverse (5561040101), we get a palindrome (6571441756).

The spelling of 1010401655 in words is "one billion, ten million, four hundred one thousand, six hundred fifty-five".