1290450132 has 36 divisors (see below), whose sum is σ = 3433655680. Its totient is φ = 407510352.

The previous prime is 1290450131. The next prime is 1290450137. The reversal of 1290450132 is 2310540921.

1290450132 is a `hidden beast` number, since 129 + 0 + 4 + 501 + 32 = 666.

1290450132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1290450096 and 1290450105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290450131) 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, 942628 + ... + 943995.

Almost surely, 2^1290450132 is an apocalyptic number.

1290450132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1290450132 is an abundant number, since it is smaller than the sum of its proper divisors (2143205548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1290450132 is a wasteful number, since it uses less digits than its factorization.

1290450132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886652 (or 1886647 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1290450132 is about 35922.8358012003. The cubic root of 1290450132 is about 1088.7138357695.

It can be divided in two parts, 12904 and 50132, that added together give a palindrome (63036).

The spelling of 1290450132 in words is "one billion, two hundred ninety million, four hundred fifty thousand, one hundred thirty-two".