1290450076 has 24 divisors (see below), whose sum is σ = 2403290736. Its totient is φ = 604181760.

The previous prime is 1290450041. The next prime is 1290450079. The reversal of 1290450076 is 6700540921.

It is a super-2 number, since 2×1290450076² = 3330522797296811552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290450079) 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, 34770 + ... + 61561.

It is an arithmetic number, because the mean of its divisors is an integer number (100137114).

Almost surely, 2^1290450076 is an apocalyptic number.

It is an amenable number.

1290450076 is a deficient number, since it is larger than the sum of its proper divisors (1112840660).

1290450076 is a wasteful number, since it uses less digits than its factorization.

1290450076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96549 (or 96547 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1290450076 is about 35922.8350217518. The cubic root of 1290450076 is about 1088.7138200210.

Adding to 1290450076 its reverse (6700540921), we get a palindrome (7990990997).

The spelling of 1290450076 in words is "one billion, two hundred ninety million, four hundred fifty thousand, seventy-six".