1269504242 has 4 divisors (see below), whose sum is σ = 1904256366. Its totient is φ = 634752120.

The previous prime is 1269504233. The next prime is 1269504259. The reversal of 1269504242 is 2424059621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 696907201 + 572597041 = 26399^2 + 23929^2 .

It is a super-2 number, since 2×1269504242² = 3223282040911989128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317376059 + ... + 317376062.

Almost surely, 2^1269504242 is an apocalyptic number.

1269504242 is a deficient number, since it is larger than the sum of its proper divisors (634752124).

1269504242 is an equidigital number, since it uses as much as digits as its factorization.

1269504242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634752123.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1269504242 is about 35630.1030310046. The cubic root of 1269504242 is about 1082.7912031361.

The spelling of 1269504242 in words is "one billion, two hundred sixty-nine million, five hundred four thousand, two hundred forty-two".