7148172901 has 4 divisors (see below), whose sum is σ = 7180227712. Its totient is φ = 7116118092.

The previous prime is 7148172853. The next prime is 7148172919. The reversal of 7148172901 is 1092718417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7148172901 - 2¹¹ = 7148170853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148172991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16027071 + ... + 16027516.

It is an arithmetic number, because the mean of its divisors is an integer number (1795056928).

Almost surely, 2^7148172901 is an apocalyptic number.

It is an amenable number.

7148172901 is a deficient number, since it is larger than the sum of its proper divisors (32054811).

7148172901 is a wasteful number, since it uses less digits than its factorization.

7148172901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32054810.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 7148172901 is about 84546.8680732764. The cubic root of 7148172901 is about 1926.3344119045.

The spelling of 7148172901 in words is "seven billion, one hundred forty-eight million, one hundred seventy-two thousand, nine hundred one".