1043149501 has 2 divisors, whose sum is σ = 1043149502. Its totient is φ = 1043149500.

The previous prime is 1043149489. The next prime is 1043149553. The reversal of 1043149501 is 1059413401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819676900 + 223472601 = 28630^2 + 14949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043149501 - 2⁹ = 1043148989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043149501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043149901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521574750 + 521574751.

It is an arithmetic number, because the mean of its divisors is an integer number (521574751).

Almost surely, 2^1043149501 is an apocalyptic number.

It is an amenable number.

1043149501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043149501 is an equidigital number, since it uses as much as digits as its factorization.

1043149501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1043149501 is about 32297.8250196511. The cubic root of 1043149501 is about 1014.1811124245.

It can be divided in two parts, 1043 and 149501, that added together give a square (150544 = 388²).

The spelling of 1043149501 in words is "one billion, forty-three million, one hundred forty-nine thousand, five hundred one".