1023122501 has 12 divisors (see below), whose sum is σ = 1071103488. Its totient is φ = 977209464.

The previous prime is 1023122497. The next prime is 1023122531. The reversal of 1023122501 is 1052213201.

It is a happy number.

It is not a de Polignac number, because 1023122501 - 2² = 1023122497 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 1023122501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023122531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614396 + ... + 616058.

It is an arithmetic number, because the mean of its divisors is an integer number (89258624).

Almost surely, 2^1023122501 is an apocalyptic number.

It is an amenable number.

1023122501 is a deficient number, since it is larger than the sum of its proper divisors (47980987).

1023122501 is a wasteful number, since it uses less digits than its factorization.

1023122501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1023122501 is about 31986.2861395317. The cubic root of 1023122501 is about 1007.6488463185.

Adding to 1023122501 its reverse (1052213201), we get a palindrome (2075335702).

The spelling of 1023122501 in words is "one billion, twenty-three million, one hundred twenty-two thousand, five hundred one".