1020154201 has 8 divisors (see below), whose sum is σ = 1113967008. Its totient is φ = 926520000.

The previous prime is 1020154193. The next prime is 1020154243. The reversal of 1020154201 is 1024510201.

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 1020154201 - 2³ = 1020154193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020154271) 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, 32560 + ... + 55681.

It is an arithmetic number, because the mean of its divisors is an integer number (139245876).

Almost surely, 2^1020154201 is an apocalyptic number.

1020154201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020154201 is a deficient number, since it is larger than the sum of its proper divisors (93812807).

1020154201 is a wasteful number, since it uses less digits than its factorization.

1020154201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89303.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1020154201 is about 31939.8528644075. The cubic root of 1020154201 is about 1006.6734332226.

Adding to 1020154201 its reverse (1024510201), we get a palindrome (2044664402).

The spelling of 1020154201 in words is "one billion, twenty million, one hundred fifty-four thousand, two hundred one".