1505450129 has 2 divisors, whose sum is σ = 1505450130. Its totient is φ = 1505450128.

The previous prime is 1505450101. The next prime is 1505450143. The reversal of 1505450129 is 9210545051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1417371904 + 88078225 = 37648^2 + 9385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1505450129 is a prime.

It is a super-2 number, since 2×1505450129² = 4532760181812233282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1505450095 and 1505450104.

It is not a weakly prime, because it can be changed into another prime (1505450629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752725064 + 752725065.

It is an arithmetic number, because the mean of its divisors is an integer number (752725065).

Almost surely, 2^1505450129 is an apocalyptic number.

It is an amenable number.

1505450129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505450129 is an equidigital number, since it uses as much as digits as its factorization.

1505450129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 1505450129 is about 38800.1305281310. The cubic root of 1505450129 is about 1146.0989757529.

The spelling of 1505450129 in words is "one billion, five hundred five million, four hundred fifty thousand, one hundred twenty-nine".